<?xml version='1.0' encoding='utf-8'?>
<!-- Created by Charles Hoffman, CPA 11/25/2018 11:00:57 AM -->
<link:linkbase xmlns='http://www.xbrl.org/2003/linkbase' xmlns:xbrldt='http://xbrl.org/2005/xbrldt' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xlink='http://www.w3.org/1999/xlink' xmlns:link='http://www.xbrl.org/2003/linkbase' xsi:schemaLocation='http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd'>
   <link:roleRef xlink:type='simple' xlink:href='disclosures.xsd#Disclosures' roleURI='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures'/>
   <link:arcroleRef xlink:type='simple' xlink:href='http://xbrlsite.azurewebsites.net/2016/conceptual-model/cm-arcroles.xsd#heading-topic' arcroleURI='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic'/>
   <link:arcroleRef xlink:type='simple' xlink:href='http://xbrlsite.azurewebsites.net/2016/conceptual-model/cm-arcroles.xsd#heading-heading' arcroleURI='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-heading'/>
   <link:arcroleRef xlink:type='simple' xlink:href='http://xbrlsite.azurewebsites.net/2016/conceptual-model/cm-arcroles.xsd#topic-disclosure' arcroleURI='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure'/>
   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialReport' xlink:label='topics_FinancialReport' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_PrimaryFinancialStatements' xlink:label='topics_PrimaryFinancialStatements' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-heading' xlink:to='topics_PrimaryFinancialStatements' xlink:from='topics_FinancialReport' order='1' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_PrimaryFinancialStatements' xlink:label='topics_PrimaryFinancialStatements' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_BalanceSheet' xlink:label='topics_BalanceSheet' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_BalanceSheet' xlink:from='topics_PrimaryFinancialStatements' order='2' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_PrimaryFinancialStatements' xlink:label='topics_PrimaryFinancialStatements' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_IncomeStatement' xlink:label='topics_IncomeStatement' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_IncomeStatement' xlink:from='topics_PrimaryFinancialStatements' order='3' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_PrimaryFinancialStatements' xlink:label='topics_PrimaryFinancialStatements' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_CashFlowStatement' xlink:label='topics_CashFlowStatement' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_CashFlowStatement' xlink:from='topics_PrimaryFinancialStatements' order='4' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_PrimaryFinancialStatements' xlink:label='topics_PrimaryFinancialStatements' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_StatementShareholderEquity' xlink:label='topics_StatementShareholderEquity' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_StatementShareholderEquity' xlink:from='topics_PrimaryFinancialStatements' order='5' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_BasisOfFinancialStatementPresentation' xlink:label='topics_BasisOfFinancialStatementPresentation' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Organization' xlink:label='topics_Organization' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_Organization' xlink:from='topics_BasisOfFinancialStatementPresentation' order='6' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialReport' xlink:label='topics_FinancialReport' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_SignificantAccountingPolicies' xlink:label='topics_SignificantAccountingPolicies' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-heading' xlink:to='topics_SignificantAccountingPolicies' xlink:from='topics_FinancialReport' order='7' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_SignificantAccountingPolicies' xlink:label='topics_SignificantAccountingPolicies' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_AccountingPolicies' xlink:label='topics_AccountingPolicies' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_AccountingPolicies' xlink:from='topics_SignificantAccountingPolicies' order='8' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_SignificantAccountingPolicies' xlink:label='topics_SignificantAccountingPolicies' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_NewAccountingPronouncements' xlink:label='topics_NewAccountingPronouncements' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_NewAccountingPronouncements' xlink:from='topics_SignificantAccountingPolicies' order='9' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialReport' xlink:label='topics_FinancialReport' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialStatementAccounts' xlink:label='topics_FinancialStatementAccounts' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-heading' xlink:to='topics_FinancialStatementAccounts' xlink:from='topics_FinancialReport' order='10' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialStatementAccounts' xlink:label='topics_FinancialStatementAccounts' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_CashAndCashEquivalents' xlink:label='topics_CashAndCashEquivalents' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_CashAndCashEquivalents' xlink:from='topics_FinancialStatementAccounts' order='11' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialStatementAccounts' xlink:label='topics_FinancialStatementAccounts' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Receivables' xlink:label='topics_Receivables' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_Receivables' xlink:from='topics_FinancialStatementAccounts' order='12' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialStatementAccounts' xlink:label='topics_FinancialStatementAccounts' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Inventory' xlink:label='topics_Inventory' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_Inventory' xlink:from='topics_FinancialStatementAccounts' order='13' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialStatementAccounts' xlink:label='topics_FinancialStatementAccounts' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_DeferredCosts' xlink:label='topics_DeferredCosts' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_DeferredCosts' xlink:from='topics_FinancialStatementAccounts' order='14' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialStatementAccounts' xlink:label='topics_FinancialStatementAccounts' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_PropertyPlantAndEquipment' xlink:label='topics_PropertyPlantAndEquipment' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_PropertyPlantAndEquipment' xlink:from='topics_FinancialStatementAccounts' order='15' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialStatementAccounts' xlink:label='topics_FinancialStatementAccounts' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_PayablesAccruals' xlink:label='topics_PayablesAccruals' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_PayablesAccruals' xlink:from='topics_FinancialStatementAccounts' order='16' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialStatementAccounts' xlink:label='topics_FinancialStatementAccounts' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Debt' xlink:label='topics_Debt' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_Debt' xlink:from='topics_FinancialStatementAccounts' order='17' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialStatementAccounts' xlink:label='topics_FinancialStatementAccounts' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_OtherLiabilities' xlink:label='topics_OtherLiabilities' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_OtherLiabilities' xlink:from='topics_FinancialStatementAccounts' order='18' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialStatementAccounts' xlink:label='topics_FinancialStatementAccounts' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Equity' xlink:label='topics_Equity' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_Equity' xlink:from='topics_FinancialStatementAccounts' order='19' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialStatementAccounts' xlink:label='topics_FinancialStatementAccounts' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_StockCompensation' xlink:label='topics_StockCompensation' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_StockCompensation' xlink:from='topics_FinancialStatementAccounts' order='20' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialStatementAccounts' xlink:label='topics_FinancialStatementAccounts' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_IncomeTaxes' xlink:label='topics_IncomeTaxes' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_IncomeTaxes' xlink:from='topics_FinancialStatementAccounts' order='21' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialReport' xlink:label='topics_FinancialReport' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_BasisOfFinancialStatementPresentation' xlink:label='topics_BasisOfFinancialStatementPresentation' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-heading' xlink:to='topics_BasisOfFinancialStatementPresentation' xlink:from='topics_FinancialReport' order='22' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_BasisOfReporting' xlink:label='topics_BasisOfReporting' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_EarningsPerShare' xlink:label='topics_EarningsPerShare' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-heading' xlink:to='topics_EarningsPerShare' xlink:from='topics_BasisOfReporting' order='23' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_BasisOfReporting' xlink:label='topics_BasisOfReporting' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_SegmentReporting' xlink:label='topics_SegmentReporting' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-heading' xlink:to='topics_SegmentReporting' xlink:from='topics_BasisOfReporting' order='24' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialReport' xlink:label='topics_FinancialReport' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_BroadTransactionalCategories' xlink:label='topics_BroadTransactionalCategories' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-heading' xlink:to='topics_BroadTransactionalCategories' xlink:from='topics_FinancialReport' order='25' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_BroadTransactionalCategories' xlink:label='topics_BroadTransactionalCategories' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_LeasesCapital' xlink:label='topics_LeasesCapital' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_LeasesCapital' xlink:from='topics_BroadTransactionalCategories' order='26' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_BroadTransactionalCategories' xlink:label='topics_BroadTransactionalCategories' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_RelatedPartyDisclosures' xlink:label='topics_RelatedPartyDisclosures' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_RelatedPartyDisclosures' xlink:from='topics_BroadTransactionalCategories' order='27' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_BroadTransactionalCategories' xlink:label='topics_BroadTransactionalCategories' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_SubsequentEvents' xlink:label='topics_SubsequentEvents' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_SubsequentEvents' xlink:from='topics_BroadTransactionalCategories' order='28' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialReport' xlink:label='topics_FinancialReport' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_DocumentAndEntityInformation' xlink:label='topics_DocumentAndEntityInformation' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-heading' xlink:to='topics_DocumentAndEntityInformation' xlink:from='topics_FinancialReport' order='29' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_DocumentAndEntityInformation' xlink:label='topics_DocumentAndEntityInformation' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_DocumentInformation' xlink:label='topics_DocumentInformation' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_DocumentInformation' xlink:from='topics_DocumentAndEntityInformation' order='30' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_DocumentAndEntityInformation' xlink:label='topics_DocumentAndEntityInformation' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_EntityInformation' xlink:label='topics_EntityInformation' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_EntityInformation' xlink:from='topics_DocumentAndEntityInformation' order='31' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialReport' xlink:label='topics_FinancialReport' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_SupplementaryInformation' xlink:label='topics_SupplementaryInformation' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-heading' xlink:to='topics_SupplementaryInformation' xlink:from='topics_FinancialReport' order='32' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_SupplementaryInformation' xlink:label='topics_SupplementaryInformation' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_OtherInformation' xlink:label='topics_OtherInformation' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_OtherInformation' xlink:from='topics_SupplementaryInformation' order='33' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_BasisOfFinancialStatementPresentation' xlink:label='topics_BasisOfFinancialStatementPresentation' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_BasisOfReporting' xlink:label='topics_BasisOfReporting' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_BasisOfReporting' xlink:from='topics_BasisOfFinancialStatementPresentation' order='34' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_FinancialStatementAccounts' xlink:label='topics_FinancialStatementAccounts' />
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_InvestmentsOther' xlink:label='topics_InvestmentsOther' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/heading-topic' xlink:to='topics_InvestmentsOther' xlink:from='topics_FinancialStatementAccounts' order='35' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Equity' xlink:label='topics_Equity' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_AdditionalPaidInCapitalChanges' xlink:label='disclosures_AdditionalPaidInCapitalChanges' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_AdditionalPaidInCapitalChanges' xlink:from='topics_Equity' order='1' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_BalanceSheet' xlink:label='topics_BalanceSheet' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_AssetsRollUp' xlink:label='disclosures_AssetsRollUp' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_AssetsRollUp' xlink:from='topics_BalanceSheet' order='2' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_BalanceSheet' xlink:label='topics_BalanceSheet' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_BalanceSheet' xlink:label='disclosures_BalanceSheet' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_BalanceSheet' xlink:from='topics_BalanceSheet' order='3' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_BasisOfReporting' xlink:label='topics_BasisOfReporting' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_BasisOfReporting' xlink:label='disclosures_BasisOfReporting' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_BasisOfReporting' xlink:from='topics_BasisOfReporting' order='4' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_PropertyPlantAndEquipment' xlink:label='topics_PropertyPlantAndEquipment' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_BuildingsRollForward' xlink:label='disclosures_BuildingsRollForward' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_BuildingsRollForward' xlink:from='topics_PropertyPlantAndEquipment' order='5' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_SegmentReporting' xlink:label='topics_SegmentReporting' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_BusinessSegments' xlink:label='disclosures_BusinessSegments' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_BusinessSegments' xlink:from='topics_SegmentReporting' order='6' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_SegmentReporting' xlink:label='topics_SegmentReporting' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_BusinessSegmentsAssetsRollUp' xlink:label='disclosures_BusinessSegmentsAssetsRollUp' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_BusinessSegmentsAssetsRollUp' xlink:from='topics_SegmentReporting' order='7' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_SegmentReporting' xlink:label='topics_SegmentReporting' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_BusinessSegmentsDepreciationAndAmortizationRollUp' xlink:label='disclosures_BusinessSegmentsDepreciationAndAmortizationRollUp' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_BusinessSegmentsDepreciationAndAmortizationRollUp' xlink:from='topics_SegmentReporting' order='8' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_SegmentReporting' xlink:label='topics_SegmentReporting' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_BusinessSegmentsLiabilitiesRollUp' xlink:label='disclosures_BusinessSegmentsLiabilitiesRollUp' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_BusinessSegmentsLiabilitiesRollUp' xlink:from='topics_SegmentReporting' order='9' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_SegmentReporting' xlink:label='topics_SegmentReporting' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_BusinessSegmentsOtherInformationHierarchy' xlink:label='disclosures_BusinessSegmentsOtherInformationHierarchy' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_BusinessSegmentsOtherInformationHierarchy' xlink:from='topics_SegmentReporting' order='10' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_SegmentReporting' xlink:label='topics_SegmentReporting' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_BusinessSegmentsResult' xlink:label='disclosures_BusinessSegmentsResult' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_BusinessSegmentsResult' xlink:from='topics_SegmentReporting' order='11' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_SegmentReporting' xlink:label='topics_SegmentReporting' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_BusinessSegmentsRevenues' xlink:label='disclosures_BusinessSegmentsRevenues' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_BusinessSegmentsRevenues' xlink:from='topics_SegmentReporting' order='12' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_CashAndCashEquivalents' xlink:label='topics_CashAndCashEquivalents' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_CashCashEquivalentsComponents' xlink:label='disclosures_CashCashEquivalentsComponents' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_CashCashEquivalentsComponents' xlink:from='topics_CashAndCashEquivalents' order='13' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_CashFlowStatement' xlink:label='topics_CashFlowStatement' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_CashFlowStatementDirectMethod' xlink:label='disclosures_CashFlowStatementDirectMethod' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_CashFlowStatementDirectMethod' xlink:from='topics_CashFlowStatement' order='14' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Equity' xlink:label='topics_Equity' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_CommonStockByClass' xlink:label='disclosures_CommonStockByClass' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_CommonStockByClass' xlink:from='topics_Equity' order='15' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Equity' xlink:label='topics_Equity' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_CommonStockChanges' xlink:label='disclosures_CommonStockChanges' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_CommonStockChanges' xlink:from='topics_Equity' order='16' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_RelatedPartyDisclosures' xlink:label='topics_RelatedPartyDisclosures' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_DirectorCompensation' xlink:label='disclosures_DirectorCompensation' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_DirectorCompensation' xlink:from='topics_RelatedPartyDisclosures' order='17' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_RelatedPartyDisclosures' xlink:label='topics_RelatedPartyDisclosures' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_DirectorCompensationOptionsGranted' xlink:label='disclosures_DirectorCompensationOptionsGranted' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_DirectorCompensationOptionsGranted' xlink:from='topics_RelatedPartyDisclosures' order='18' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_DocumentInformation' xlink:label='topics_DocumentInformation' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_DocumentInformation' xlink:label='disclosures_DocumentInformation' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_DocumentInformation' xlink:from='topics_DocumentInformation' order='19' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_EarningsPerShare' xlink:label='topics_EarningsPerShare' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_EarningsPerShareSummary' xlink:label='disclosures_EarningsPerShareSummary' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_EarningsPerShareSummary' xlink:from='topics_EarningsPerShare' order='20' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_EntityInformation' xlink:label='topics_EntityInformation' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_EntityAddress' xlink:label='disclosures_EntityAddress' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_EntityAddress' xlink:from='topics_EntityInformation' order='21' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_EntityInformation' xlink:label='topics_EntityInformation' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_EntityInformation' xlink:label='disclosures_EntityInformation' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_EntityInformation' xlink:from='topics_EntityInformation' order='22' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_OtherInformation' xlink:label='topics_OtherInformation' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_FinancialHighlights' xlink:label='disclosures_FinancialHighlights' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_FinancialHighlights' xlink:from='topics_OtherInformation' order='23' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_PropertyPlantAndEquipment' xlink:label='topics_PropertyPlantAndEquipment' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_FurnitureAndFixturesRollForward' xlink:label='disclosures_FurnitureAndFixturesRollForward' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_FurnitureAndFixturesRollForward' xlink:from='topics_PropertyPlantAndEquipment' order='24' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_IncomeStatement' xlink:label='topics_IncomeStatement' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_IncomeStatement' xlink:label='disclosures_IncomeStatement' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_IncomeStatement' xlink:from='topics_IncomeStatement' order='25' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_IncomeTaxes' xlink:label='topics_IncomeTaxes' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_IncomeTaxExpenseBenefitComponents' xlink:label='disclosures_IncomeTaxExpenseBenefitComponents' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_IncomeTaxExpenseBenefitComponents' xlink:from='topics_IncomeTaxes' order='26' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Inventory' xlink:label='topics_Inventory' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_InventoryComponents' xlink:label='disclosures_InventoryComponents' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_InventoryComponents' xlink:from='topics_Inventory' order='27' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_InvestmentsOther' xlink:label='topics_InvestmentsOther' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_Investment' xlink:label='disclosures_Investment' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_Investment' xlink:from='topics_InvestmentsOther' order='28' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_PropertyPlantAndEquipment' xlink:label='topics_PropertyPlantAndEquipment' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_LandRollForward' xlink:label='disclosures_LandRollForward' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_LandRollForward' xlink:from='topics_PropertyPlantAndEquipment' order='29' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_LeasesCapital' xlink:label='topics_LeasesCapital' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_LeaseholdLandAndBuilding' xlink:label='disclosures_LeaseholdLandAndBuilding' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_LeaseholdLandAndBuilding' xlink:from='topics_LeasesCapital' order='30' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_BalanceSheet' xlink:label='topics_BalanceSheet' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_LiabilitiesAndEquityRollUp' xlink:label='disclosures_LiabilitiesAndEquityRollUp' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_LiabilitiesAndEquityRollUp' xlink:from='topics_BalanceSheet' order='31' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Debt' xlink:label='topics_Debt' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_LongTermDebtComponents' xlink:label='disclosures_LongTermDebtComponents' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_LongTermDebtComponents' xlink:from='topics_Debt' order='32' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Debt' xlink:label='topics_Debt' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_LongTermDebtCurrentNoncurrentPortions' xlink:label='disclosures_LongTermDebtCurrentNoncurrentPortions' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_LongTermDebtCurrentNoncurrentPortions' xlink:from='topics_Debt' order='33' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Debt' xlink:label='topics_Debt' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_LongTermDebtInstruments' xlink:label='disclosures_LongTermDebtInstruments' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_LongTermDebtInstruments' xlink:from='topics_Debt' order='34' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Debt' xlink:label='topics_Debt' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_LongTermDebtMaturities' xlink:label='disclosures_LongTermDebtMaturities' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_LongTermDebtMaturities' xlink:from='topics_Debt' order='35' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Organization' xlink:label='topics_Organization' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_NatureOfOperations' xlink:label='disclosures_NatureOfOperations' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_NatureOfOperations' xlink:from='topics_Organization' order='36' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_DeferredCosts' xlink:label='topics_DeferredCosts' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_OtherAssetsCurrentAndNoncurrenPortions' xlink:label='disclosures_OtherAssetsCurrentAndNoncurrenPortions' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_OtherAssetsCurrentAndNoncurrenPortions' xlink:from='topics_DeferredCosts' order='37' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_OtherLiabilities' xlink:label='topics_OtherLiabilities' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_OtherLiabilitiesCurrentAndNoncurrent' xlink:label='disclosures_OtherLiabilitiesCurrentAndNoncurrent' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_OtherLiabilitiesCurrentAndNoncurrent' xlink:from='topics_OtherLiabilities' order='38' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_PropertyPlantAndEquipment' xlink:label='topics_PropertyPlantAndEquipment' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_OtherPropertyPlantAndEquipmentRollForward' xlink:label='disclosures_OtherPropertyPlantAndEquipmentRollForward' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_OtherPropertyPlantAndEquipmentRollForward' xlink:from='topics_PropertyPlantAndEquipment' order='39' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_PayablesAccruals' xlink:label='topics_PayablesAccruals' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_PayablesAccrualsComponents' xlink:label='disclosures_PayablesAccrualsComponents' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_PayablesAccrualsComponents' xlink:from='topics_PayablesAccruals' order='40' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Equity' xlink:label='topics_Equity' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_PreferredStockByClass' xlink:label='disclosures_PreferredStockByClass' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_PreferredStockByClass' xlink:from='topics_Equity' order='41' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Equity' xlink:label='topics_Equity' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_PreferredStockChanges' xlink:label='disclosures_PreferredStockChanges' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_PreferredStockChanges' xlink:from='topics_Equity' order='42' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_DeferredCosts' xlink:label='topics_DeferredCosts' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_PrepaidExpenses' xlink:label='disclosures_PrepaidExpenses' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_PrepaidExpenses' xlink:from='topics_DeferredCosts' order='43' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_PropertyPlantAndEquipment' xlink:label='topics_PropertyPlantAndEquipment' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_PropertyPlantEquipmentComponents' xlink:label='disclosures_PropertyPlantEquipmentComponents' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_PropertyPlantEquipmentComponents' xlink:from='topics_PropertyPlantAndEquipment' order='44' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_PropertyPlantAndEquipment' xlink:label='topics_PropertyPlantAndEquipment' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_PropertyPlantEquipmentEstimatedUsefulLives' xlink:label='disclosures_PropertyPlantEquipmentEstimatedUsefulLives' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_PropertyPlantEquipmentEstimatedUsefulLives' xlink:from='topics_PropertyPlantAndEquipment' order='45' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_PropertyPlantAndEquipment' xlink:label='topics_PropertyPlantAndEquipment' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_PropertyPlantEquipmentRollForward' xlink:label='disclosures_PropertyPlantEquipmentRollForward' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_PropertyPlantEquipmentRollForward' xlink:from='topics_PropertyPlantAndEquipment' order='46' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Receivables' xlink:label='topics_Receivables' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_ReceivablesDetailsByCompoment' xlink:label='disclosures_ReceivablesDetailsByCompoment' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_ReceivablesDetailsByCompoment' xlink:from='topics_Receivables' order='47' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Receivables' xlink:label='topics_Receivables' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_ReceivablesDetailsCurrentNoncurrent' xlink:label='disclosures_ReceivablesDetailsCurrentNoncurrent' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_ReceivablesDetailsCurrentNoncurrent' xlink:from='topics_Receivables' order='48' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Receivables' xlink:label='topics_Receivables' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_ReceivablesDetailsGrossNet' xlink:label='disclosures_ReceivablesDetailsGrossNet' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_ReceivablesDetailsGrossNet' xlink:from='topics_Receivables' order='49' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_CashAndCashEquivalents' xlink:label='topics_CashAndCashEquivalents' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_ReconciliationOfCashSummary' xlink:label='disclosures_ReconciliationOfCashSummary' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_ReconciliationOfCashSummary' xlink:from='topics_CashAndCashEquivalents' order='50' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_CashAndCashEquivalents' xlink:label='topics_CashAndCashEquivalents' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_ReconcilingItemOfCashAndCashEquivalents' xlink:label='disclosures_ReconcilingItemOfCashAndCashEquivalents' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_ReconcilingItemOfCashAndCashEquivalents' xlink:from='topics_CashAndCashEquivalents' order='51' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_RelatedPartyDisclosures' xlink:label='topics_RelatedPartyDisclosures' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_RelatedParty' xlink:label='disclosures_RelatedParty' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_RelatedParty' xlink:from='topics_RelatedPartyDisclosures' order='52' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_RelatedPartyDisclosures' xlink:label='topics_RelatedPartyDisclosures' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_RelatedPartyTransaction' xlink:label='disclosures_RelatedPartyTransaction' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_RelatedPartyTransaction' xlink:from='topics_RelatedPartyDisclosures' order='53' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_Equity' xlink:label='topics_Equity' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_RetainedEarningsChanges' xlink:label='disclosures_RetainedEarningsChanges' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_RetainedEarningsChanges' xlink:from='topics_Equity' order='54' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_OtherInformation' xlink:label='topics_OtherInformation' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_SalesAnalysisByCustomer' xlink:label='disclosures_SalesAnalysisByCustomer' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_SalesAnalysisByCustomer' xlink:from='topics_OtherInformation' order='55' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_StockCompensation' xlink:label='topics_StockCompensation' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_ShareOwnershipPlanStockOptionsOutstanding' xlink:label='disclosures_ShareOwnershipPlanStockOptionsOutstanding' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_ShareOwnershipPlanStockOptionsOutstanding' xlink:from='topics_StockCompensation' order='56' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_AccountingPolicies' xlink:label='topics_AccountingPolicies' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_SignificantAccountingPolicies' xlink:label='disclosures_SignificantAccountingPolicies' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_SignificantAccountingPolicies' xlink:from='topics_AccountingPolicies' order='57' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_StatementShareholderEquity' xlink:label='topics_StatementShareholderEquity' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_StatementChangesInEquityPriorPeriodAdjustments' xlink:label='disclosures_StatementChangesInEquityPriorPeriodAdjustments' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_StatementChangesInEquityPriorPeriodAdjustments' xlink:from='topics_StatementShareholderEquity' order='58' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_StatementShareholderEquity' xlink:label='topics_StatementShareholderEquity' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_StatementOfChangesInEquity' xlink:label='disclosures_StatementOfChangesInEquity' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_StatementOfChangesInEquity' xlink:from='topics_StatementShareholderEquity' order='59' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_StatementShareholderEquity' xlink:label='topics_StatementShareholderEquity' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_StatementOfChangesInEquityCommonStockByClass' xlink:label='disclosures_StatementOfChangesInEquityCommonStockByClass' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_StatementOfChangesInEquityCommonStockByClass' xlink:from='topics_StatementShareholderEquity' order='60' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_StatementShareholderEquity' xlink:label='topics_StatementShareholderEquity' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_StatementOfChangesInEquityPreferredStockByClass' xlink:label='disclosures_StatementOfChangesInEquityPreferredStockByClass' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_StatementOfChangesInEquityPreferredStockByClass' xlink:from='topics_StatementShareholderEquity' order='61' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_SubsequentEvents' xlink:label='topics_SubsequentEvents' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_SubsequentEvent' xlink:label='disclosures_SubsequentEvent' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_SubsequentEvent' xlink:from='topics_SubsequentEvents' order='62' use='optional' />
   </link:definitionLink>

   <link:definitionLink xlink:type='extended' xlink:role='http://xbrlsite.azurewebsites.net/2016/conceptual-model/reporting-schemes/xasb/disclosures/role/Disclosures' xlink:title='All relations between ontology things'>
      <link:loc xlink:type='locator' xlink:href='topics.xsd#topics_OtherInformation' xlink:label='topics_OtherInformation' />
      <link:loc xlink:type='locator' xlink:href='disclosures.xsd#disclosures_VarianceAnalysisGrossProfit' xlink:label='disclosures_VarianceAnalysisGrossProfit' />
      <link:definitionArc xlink:type='arc' xlink:arcrole='http://xbrlsite.azurewebsites.net/2016/conceptual-model/arcrole/topic-disclosure' xlink:to='disclosures_VarianceAnalysisGrossProfit' xlink:from='topics_OtherInformation' order='63' use='optional' />
   </link:definitionLink>

</link:linkbase>
