<?xml version="1.0" encoding="UTF-8"?> 
<xmi:XMI xmi:version="2.1" xmlns:xmi="http://schema.omg.org/spec/XMI/2.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:uml="http://www.eclipse.org/uml2/5.0.0/UML"> 
 <uml:Model xmi:id="_G4xe8HfOEeSfPZ7vcufCPw" name="model"> 
  <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
   <eAnnotations xmi:id="_G4xe8HfOEeSfPZ7vcufCPw0" source="genmymodel"> 
    <details xmi:id="_G4xe8HfOEeSfPZ7vcufCPw00" key="uuid" value="_G4xe8HfOEeSfPZ7vcufCPw"></details> 
   </eAnnotations> 
  </xmi:Extension> 
  <packageImport xmi:id="_G4xe8XfOEeSfPZ7vcufCPw" importingNamespace="_G4xe8HfOEeSfPZ7vcufCPw"> 
   <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
    <eAnnotations xmi:id="_G4xe8XfOEeSfPZ7vcufCPw0" source="genmymodel"> 
     <details xmi:id="_G4xe8XfOEeSfPZ7vcufCPw00" key="uuid" value="_G4xe8XfOEeSfPZ7vcufCPw"></details> 
    </eAnnotations> 
   </xmi:Extension> 
   <importedPackage href="http://www.omg.org/spec/UML/20131001/PrimitiveTypes.xmi#/" /> 
  </packageImport> 
  <packageImport xmi:id="_G4xe8nfOEeSfPZ7vcufCPw" importingNamespace="_G4xe8HfOEeSfPZ7vcufCPw"> 
   <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
    <eAnnotations xmi:id="_G4xe8nfOEeSfPZ7vcufCPw0" source="genmymodel"> 
     <details xmi:id="_G4xe8nfOEeSfPZ7vcufCPw00" key="uuid" value="_G4xe8nfOEeSfPZ7vcufCPw"></details> 
    </eAnnotations> 
   </xmi:Extension> 
   <importedPackage href="pathmap://GENMYMODEL_LIBRARIES/GenMyModelPrimitiveTypes.library.uml#/" /> 
  </packageImport> 
  <packagedElement xsi:type="uml:Actor" xmi:id="_YYIbAFn8EDKcuqahnlM4Fw" name="Student"> 
   <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
    <eAnnotations xmi:id="_YYIbAFn8EDKcuqahnlM4Fw0" source="genmymodel"> 
     <details xmi:id="_YYIbAFn8EDKcuqahnlM4Fw00" key="uuid" value="_YYIbAFn8EDKcuqahnlM4Fw"></details> 
    </eAnnotations> 
   </xmi:Extension> 
   <generalization xmi:id="_CKsewFoYEDKcuqahnlM4Fw" general="_j1t4oFn8EDKcuqahnlM4Fw" specific="_YYIbAFn8EDKcuqahnlM4Fw"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_CKsewFoYEDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_CKsewFoYEDKcuqahnlM4Fw00" key="uuid" value="_CKsewFoYEDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
   </generalization> 
  </packagedElement> 
  <packagedElement xsi:type="uml:Component" xmi:id="_cidtcFn8EDKcuqahnlM4Fw" name="Submission System"> 
   <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
    <eAnnotations xmi:id="_cidtcFn8EDKcuqahnlM4Fw0" source="genmymodel"> 
     <details xmi:id="_cidtcFn8EDKcuqahnlM4Fw00" key="uuid" value="_cidtcFn8EDKcuqahnlM4Fw"></details> 
    </eAnnotations> 
   </xmi:Extension> 
   <ownedUseCase xmi:id="_nfjtIFn8EDKcuqahnlM4Fw" name="Submit topic"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_nfjtIFn8EDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_nfjtIFn8EDKcuqahnlM4Fw00" key="uuid" value="_nfjtIFn8EDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <extend xmi:id="_y2q6EFoiEDKcuqahnlM4Fw" extendedCase="_BNwewFn_EDKcuqahnlM4Fw" extensionLocation="_y2rhIFoiEDKcuqahnlM4Fw" extension="_nfjtIFn8EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_y2q6EFoiEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_y2q6EFoiEDKcuqahnlM4Fw00" key="uuid" value="_y2q6EFoiEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </extend> 
    <extend xmi:id="_1RQGIFoiEDKcuqahnlM4Fw" extendedCase="_USGSYFn_EDKcuqahnlM4Fw" extensionLocation="_1RQtMFoiEDKcuqahnlM4Fw" extension="_nfjtIFn8EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_1RQGIFoiEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_1RQGIFoiEDKcuqahnlM4Fw00" key="uuid" value="_1RQGIFoiEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </extend> 
   </ownedUseCase> 
   <ownedUseCase xmi:id="_tML4wFn8EDKcuqahnlM4Fw" name="Create topic"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_tML4wFn8EDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_tML4wFn8EDKcuqahnlM4Fw00" key="uuid" value="_tML4wFn8EDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <include xmi:id="_iYdkkFoJEDKcuqahnlM4Fw" addition="_USGSYFn_EDKcuqahnlM4Fw" includingCase="_tML4wFn8EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_iYdkkFoJEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_iYdkkFoJEDKcuqahnlM4Fw00" key="uuid" value="_iYdkkFoJEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </include> 
    <include xmi:id="_OQKmUFoZEDKcuqahnlM4Fw" addition="_BNwewFn_EDKcuqahnlM4Fw" includingCase="_tML4wFn8EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_OQKmUFoZEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_OQKmUFoZEDKcuqahnlM4Fw00" key="uuid" value="_OQKmUFoZEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </include> 
    <include xmi:id="_Ea0m8FobEDKcuqahnlM4Fw" addition="_xqXCUFn-EDKcuqahnlM4Fw" includingCase="_tML4wFn8EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_Ea0m8FobEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_Ea0m8FobEDKcuqahnlM4Fw00" key="uuid" value="_Ea0m8FobEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </include> 
   </ownedUseCase> 
   <ownedUseCase xmi:id="_6gK3UFn8EDKcuqahnlM4Fw" name=" Change status of topic"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_6gK3UFn8EDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_6gK3UFn8EDKcuqahnlM4Fw00" key="uuid" value="_6gK3UFn8EDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <include xmi:id="_mrlcEFoIEDKcuqahnlM4Fw" addition="_kBhDgFn9EDKcuqahnlM4Fw" includingCase="_6gK3UFn8EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_mrlcEFoIEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_mrlcEFoIEDKcuqahnlM4Fw00" key="uuid" value="_mrlcEFoIEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </include> 
    <include xmi:id="_SlHKIFoVEDKcuqahnlM4Fw" addition="_7DHfcFoUEDKcuqahnlM4Fw" includingCase="_6gK3UFn8EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_SlHKIFoVEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_SlHKIFoVEDKcuqahnlM4Fw00" key="uuid" value="_SlHKIFoVEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </include> 
   </ownedUseCase> 
   <ownedUseCase xmi:id="_-VLaAFn8EDKcuqahnlM4Fw" name="Mark as  &quot;Accepted&quot;"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_-VLaAFn8EDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_-VLaAFn8EDKcuqahnlM4Fw00" key="uuid" value="_-VLaAFn8EDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <generalization xmi:id="_U6xs4FoIEDKcuqahnlM4Fw" general="_6gK3UFn8EDKcuqahnlM4Fw" specific="_-VLaAFn8EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_U6xs4FoIEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_U6xs4FoIEDKcuqahnlM4Fw00" key="uuid" value="_U6xs4FoIEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </generalization> 
   </ownedUseCase> 
   <ownedUseCase xmi:id="_FPWW0Fn9EDKcuqahnlM4Fw" name="Mark as &quot;Rejected&quot;"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_FPWW0Fn9EDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_FPWW0Fn9EDKcuqahnlM4Fw00" key="uuid" value="_FPWW0Fn9EDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <generalization xmi:id="_T_-4kFoIEDKcuqahnlM4Fw" general="_6gK3UFn8EDKcuqahnlM4Fw" specific="_FPWW0Fn9EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_T_-4kFoIEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_T_-4kFoIEDKcuqahnlM4Fw00" key="uuid" value="_T_-4kFoIEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </generalization> 
   </ownedUseCase> 
   <ownedUseCase xmi:id="_VFVYEFn9EDKcuqahnlM4Fw" name="Name verififcation"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_VFVYEFn9EDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_VFVYEFn9EDKcuqahnlM4Fw00" key="uuid" value="_VFVYEFn9EDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <extensionPoint xmi:id="_TGgWEVoMEDKcuqahnlM4Fw" name="name already used" useCase="_VFVYEFn9EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_TGgWEVoMEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_TGgWEVoMEDKcuqahnlM4Fw00" key="uuid" value="_TGgWEVoMEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </extensionPoint> 
   </ownedUseCase> 
   <ownedUseCase xmi:id="_kBhDgFn9EDKcuqahnlM4Fw" name="Get teacher access"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_kBhDgFn9EDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_kBhDgFn9EDKcuqahnlM4Fw00" key="uuid" value="_kBhDgFn9EDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
   </ownedUseCase> 
   <ownedUseCase xmi:id="_d3bqYFn-EDKcuqahnlM4Fw" name="Remove topic"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_d3bqYFn-EDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_d3bqYFn-EDKcuqahnlM4Fw00" key="uuid" value="_d3bqYFn-EDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <include xmi:id="_k06OUFoIEDKcuqahnlM4Fw" addition="_kBhDgFn9EDKcuqahnlM4Fw" includingCase="_d3bqYFn-EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_k06OUFoIEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_k06OUFoIEDKcuqahnlM4Fw00" key="uuid" value="_k06OUFoIEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </include> 
    <include xmi:id="_M8yPsFoVEDKcuqahnlM4Fw" addition="_7DHfcFoUEDKcuqahnlM4Fw" includingCase="_d3bqYFn-EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_M8yPsFoVEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_M8yPsFoVEDKcuqahnlM4Fw00" key="uuid" value="_M8yPsFoVEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </include> 
   </ownedUseCase> 
   <ownedUseCase xmi:id="_xqXCUFn-EDKcuqahnlM4Fw" name=" Browse list of submissions"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_xqXCUFn-EDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_xqXCUFn-EDKcuqahnlM4Fw00" key="uuid" value="_xqXCUFn-EDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
   </ownedUseCase> 
   <ownedUseCase xmi:id="_BNwewFn_EDKcuqahnlM4Fw" name="Provide name"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_BNwewFn_EDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_BNwewFn_EDKcuqahnlM4Fw00" key="uuid" value="_BNwewFn_EDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <extend xmi:id="_CqeZ8Fo3EDKcuqahnlM4Fw" extendedCase="_Juz50Fn_EDKcuqahnlM4Fw" extensionLocation="_CqeZ8Vo3EDKcuqahnlM4Fw" extension="_BNwewFn_EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_CqeZ8Fo3EDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_CqeZ8Fo3EDKcuqahnlM4Fw00" key="uuid" value="_CqeZ8Fo3EDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </extend> 
    <extensionPoint xmi:id="_CF1qYFoMEDKcuqahnlM4Fw" name="valid name" useCase="_BNwewFn_EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_CF1qYFoMEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_CF1qYFoMEDKcuqahnlM4Fw00" key="uuid" value="_CF1qYFoMEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </extensionPoint> 
    <extensionPoint xmi:id="_y2rhIFoiEDKcuqahnlM4Fw" name="group project" useCase="_BNwewFn_EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_y2rhIFoiEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_y2rhIFoiEDKcuqahnlM4Fw00" key="uuid" value="_y2rhIFoiEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </extensionPoint> 
    <include xmi:id="_hUHWYFovEDKcuqahnlM4Fw" addition="_VFVYEFn9EDKcuqahnlM4Fw" includingCase="_BNwewFn_EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_hUHWYFovEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_hUHWYFovEDKcuqahnlM4Fw00" key="uuid" value="_hUHWYFovEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </include> 
   </ownedUseCase> 
   <ownedUseCase xmi:id="_Juz50Fn_EDKcuqahnlM4Fw" name="Quantity verification"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_Juz50Fn_EDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_Juz50Fn_EDKcuqahnlM4Fw00" key="uuid" value="_Juz50Fn_EDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <extensionPoint xmi:id="_QkRp4FoMEDKcuqahnlM4Fw" name="Nr of students <3" useCase="_Juz50Fn_EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_QkRp4FoMEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_QkRp4FoMEDKcuqahnlM4Fw00" key="uuid" value="_QkRp4FoMEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </extensionPoint> 
    <extensionPoint xmi:id="_CqeZ8Vo3EDKcuqahnlM4Fw" name="Nr of students >3" useCase="_Juz50Fn_EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_CqeZ8Vo3EDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_CqeZ8Vo3EDKcuqahnlM4Fw00" key="uuid" value="_CqeZ8Vo3EDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </extensionPoint> 
   </ownedUseCase> 
   <ownedUseCase xmi:id="_USGSYFn_EDKcuqahnlM4Fw" name="Provide title"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_USGSYFn_EDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_USGSYFn_EDKcuqahnlM4Fw00" key="uuid" value="_USGSYFn_EDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <extensionPoint xmi:id="_1RQtMFoiEDKcuqahnlM4Fw" name="not empty line given" useCase="_USGSYFn_EDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_1RQtMFoiEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_1RQtMFoiEDKcuqahnlM4Fw00" key="uuid" value="_1RQtMFoiEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </extensionPoint> 
   </ownedUseCase> 
   <ownedUseCase xmi:id="_Od7QIFoGEDKcuqahnlM4Fw" name="Display alert and clear  the name"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_Od7QIFoGEDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_Od7QIFoGEDKcuqahnlM4Fw00" key="uuid" value="_Od7QIFoGEDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <extend xmi:id="_OusogFoxEDKcuqahnlM4Fw" extendedCase="_VFVYEFn9EDKcuqahnlM4Fw" extensionLocation="_TGgWEVoMEDKcuqahnlM4Fw" extension="_Od7QIFoGEDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_OusogFoxEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_OusogFoxEDKcuqahnlM4Fw00" key="uuid" value="_OusogFoxEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </extend> 
   </ownedUseCase> 
   <ownedUseCase xmi:id="_06jKQFoKEDKcuqahnlM4Fw" name="Add one more student"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_06jKQFoKEDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_06jKQFoKEDKcuqahnlM4Fw00" key="uuid" value="_06jKQFoKEDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <extend xmi:id="_CF1DUFoMEDKcuqahnlM4Fw" extendedCase="_BNwewFn_EDKcuqahnlM4Fw" extensionLocation="_CF1qYFoMEDKcuqahnlM4Fw" extension="_06jKQFoKEDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_CF1DUFoMEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_CF1DUFoMEDKcuqahnlM4Fw00" key="uuid" value="_CF1DUFoMEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </extend> 
    <include xmi:id="_JnbP4Fo1EDKcuqahnlM4Fw" addition="_Juz50Fn_EDKcuqahnlM4Fw" includingCase="_06jKQFoKEDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_JnbP4Fo1EDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_JnbP4Fo1EDKcuqahnlM4Fw00" key="uuid" value="_JnbP4Fo1EDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </include> 
   </ownedUseCase> 
   <ownedUseCase xmi:id="_7DHfcFoUEDKcuqahnlM4Fw" name="Select topic"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_7DHfcFoUEDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_7DHfcFoUEDKcuqahnlM4Fw00" key="uuid" value="_7DHfcFoUEDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <include xmi:id="_VrDAUFoVEDKcuqahnlM4Fw" addition="_xqXCUFn-EDKcuqahnlM4Fw" includingCase="_7DHfcFoUEDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_VrDAUFoVEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_VrDAUFoVEDKcuqahnlM4Fw00" key="uuid" value="_VrDAUFoVEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </include> 
   </ownedUseCase> 
   <ownedUseCase xmi:id="_5wy68FofEDKcuqahnlM4Fw" name="Display alert and block next student addition"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_5wy68FofEDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_5wy68FofEDKcuqahnlM4Fw00" key="uuid" value="_5wy68FofEDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <extend xmi:id="_IAG5UFogEDKcuqahnlM4Fw" extendedCase="_Juz50Fn_EDKcuqahnlM4Fw" extension="_5wy68FofEDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_IAG5UFogEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_IAG5UFogEDKcuqahnlM4Fw00" key="uuid" value="_IAG5UFogEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </extend> 
   </ownedUseCase> 
   <ownedUseCase xmi:id="_57YLkFolEDKcuqahnlM4Fw" name="Leave a comment"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_57YLkFolEDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_57YLkFolEDKcuqahnlM4Fw00" key="uuid" value="_57YLkFolEDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <include xmi:id="_9cHucFolEDKcuqahnlM4Fw" addition="_kBhDgFn9EDKcuqahnlM4Fw" includingCase="_57YLkFolEDKcuqahnlM4Fw"> 
     <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
      <eAnnotations xmi:id="_9cHucFolEDKcuqahnlM4Fw0" source="genmymodel"> 
       <details xmi:id="_9cHucFolEDKcuqahnlM4Fw00" key="uuid" value="_9cHucFolEDKcuqahnlM4Fw"></details> 
      </eAnnotations> 
     </xmi:Extension> 
    </include> 
   </ownedUseCase> 
  </packagedElement> 
  <packagedElement xsi:type="uml:Actor" xmi:id="_gx0p0Fn8EDKcuqahnlM4Fw" name="Teacher"> 
   <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
    <eAnnotations xmi:id="_gx0p0Fn8EDKcuqahnlM4Fw0" source="genmymodel"> 
     <details xmi:id="_gx0p0Fn8EDKcuqahnlM4Fw00" key="uuid" value="_gx0p0Fn8EDKcuqahnlM4Fw"></details> 
    </eAnnotations> 
   </xmi:Extension> 
   <generalization xmi:id="_Cv6rsFoYEDKcuqahnlM4Fw" general="_j1t4oFn8EDKcuqahnlM4Fw" specific="_gx0p0Fn8EDKcuqahnlM4Fw"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_Cv6rsFoYEDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_Cv6rsFoYEDKcuqahnlM4Fw00" key="uuid" value="_Cv6rsFoYEDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
   </generalization> 
  </packagedElement> 
  <packagedElement xsi:type="uml:Actor" xmi:id="_j1t4oFn8EDKcuqahnlM4Fw" name="User"> 
   <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
    <eAnnotations xmi:id="_j1t4oFn8EDKcuqahnlM4Fw0" source="genmymodel"> 
     <details xmi:id="_j1t4oFn8EDKcuqahnlM4Fw00" key="uuid" value="_j1t4oFn8EDKcuqahnlM4Fw"></details> 
    </eAnnotations> 
   </xmi:Extension> 
  </packagedElement> 
  <packagedElement xsi:type="uml:Association" xmi:id="_JxufYFoJEDKcuqahnlM4Fw" name="Teacher_Remov topic" memberEnd="_Jxpm4FoJEDKcuqahnlM4Fw _JxtRQFoJEDKcuqahnlM4Fw" navigableOwnedEnd="_Jxpm4FoJEDKcuqahnlM4Fw _JxtRQFoJEDKcuqahnlM4Fw"> 
   <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
    <eAnnotations xmi:id="_JxufYFoJEDKcuqahnlM4Fw0" source="genmymodel"> 
     <details xmi:id="_JxufYFoJEDKcuqahnlM4Fw00" key="uuid" value="_JxufYFoJEDKcuqahnlM4Fw"></details> 
    </eAnnotations> 
   </xmi:Extension> 
   <ownedEnd xmi:id="_Jxpm4FoJEDKcuqahnlM4Fw" name="remov topic" type="_d3bqYFn-EDKcuqahnlM4Fw" owningAssociation="_JxufYFoJEDKcuqahnlM4Fw" association="_JxufYFoJEDKcuqahnlM4Fw"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_Jxpm4FoJEDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_Jxpm4FoJEDKcuqahnlM4Fw00" key="uuid" value="_Jxpm4FoJEDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <lowerValue xsi:type="uml:LiteralInteger" xmi:id="_Jxpm4FoJEDKcuqahnlM4Fw1" /> 
    <upperValue xsi:type="uml:LiteralUnlimitedNatural" xmi:id="_Jxpm4FoJEDKcuqahnlM4Fw2" value="1" /> 
   </ownedEnd> 
   <ownedEnd xmi:id="_JxtRQFoJEDKcuqahnlM4Fw" name="teacher" type="_gx0p0Fn8EDKcuqahnlM4Fw" owningAssociation="_JxufYFoJEDKcuqahnlM4Fw" association="_JxufYFoJEDKcuqahnlM4Fw"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_JxtRQFoJEDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_JxtRQFoJEDKcuqahnlM4Fw00" key="uuid" value="_JxtRQFoJEDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <lowerValue xsi:type="uml:LiteralInteger" xmi:id="_JxtRQFoJEDKcuqahnlM4Fw1" /> 
    <upperValue xsi:type="uml:LiteralUnlimitedNatural" xmi:id="_JxtRQFoJEDKcuqahnlM4Fw2" value="1" /> 
   </ownedEnd> 
  </packagedElement> 
  <packagedElement xsi:type="uml:Association" xmi:id="_MPh-kFoJEDKcuqahnlM4Fw" name="Teacher_Change status" memberEnd="_MPfiUFoJEDKcuqahnlM4Fw _MPhXgFoJEDKcuqahnlM4Fw" navigableOwnedEnd="_MPfiUFoJEDKcuqahnlM4Fw _MPhXgFoJEDKcuqahnlM4Fw"> 
   <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
    <eAnnotations xmi:id="_MPh-kFoJEDKcuqahnlM4Fw0" source="genmymodel"> 
     <details xmi:id="_MPh-kFoJEDKcuqahnlM4Fw00" key="uuid" value="_MPh-kFoJEDKcuqahnlM4Fw"></details> 
    </eAnnotations> 
   </xmi:Extension> 
   <ownedEnd xmi:id="_MPfiUFoJEDKcuqahnlM4Fw" name="change status" type="_6gK3UFn8EDKcuqahnlM4Fw" owningAssociation="_MPh-kFoJEDKcuqahnlM4Fw" association="_MPh-kFoJEDKcuqahnlM4Fw"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_MPfiUFoJEDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_MPfiUFoJEDKcuqahnlM4Fw00" key="uuid" value="_MPfiUFoJEDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <lowerValue xsi:type="uml:LiteralInteger" xmi:id="_MPfiUFoJEDKcuqahnlM4Fw1" /> 
    <upperValue xsi:type="uml:LiteralUnlimitedNatural" xmi:id="_MPfiUFoJEDKcuqahnlM4Fw2" value="1" /> 
   </ownedEnd> 
   <ownedEnd xmi:id="_MPhXgFoJEDKcuqahnlM4Fw" name="teacher" type="_gx0p0Fn8EDKcuqahnlM4Fw" owningAssociation="_MPh-kFoJEDKcuqahnlM4Fw" association="_MPh-kFoJEDKcuqahnlM4Fw"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_MPhXgFoJEDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_MPhXgFoJEDKcuqahnlM4Fw00" key="uuid" value="_MPhXgFoJEDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <lowerValue xsi:type="uml:LiteralInteger" xmi:id="_MPhXgFoJEDKcuqahnlM4Fw1" /> 
    <upperValue xsi:type="uml:LiteralUnlimitedNatural" xmi:id="_MPhXgFoJEDKcuqahnlM4Fw2" value="1" /> 
   </ownedEnd> 
  </packagedElement> 
  <packagedElement xsi:type="uml:Association" xmi:id="_97mnIFoiEDKcuqahnlM4Fw" name="Student_Create topic" memberEnd="_97i8wFoiEDKcuqahnlM4Fw _97lZAFoiEDKcuqahnlM4Fw" navigableOwnedEnd="_97i8wFoiEDKcuqahnlM4Fw _97lZAFoiEDKcuqahnlM4Fw"> 
   <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
    <eAnnotations xmi:id="_97mnIFoiEDKcuqahnlM4Fw0" source="genmymodel"> 
     <details xmi:id="_97mnIFoiEDKcuqahnlM4Fw00" key="uuid" value="_97mnIFoiEDKcuqahnlM4Fw"></details> 
    </eAnnotations> 
   </xmi:Extension> 
   <ownedEnd xmi:id="_97i8wFoiEDKcuqahnlM4Fw" name="create topic" type="_tML4wFn8EDKcuqahnlM4Fw" owningAssociation="_97mnIFoiEDKcuqahnlM4Fw" association="_97mnIFoiEDKcuqahnlM4Fw"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_97i8wFoiEDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_97i8wFoiEDKcuqahnlM4Fw00" key="uuid" value="_97i8wFoiEDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <lowerValue xsi:type="uml:LiteralInteger" xmi:id="_97i8wFoiEDKcuqahnlM4Fw1" /> 
    <upperValue xsi:type="uml:LiteralUnlimitedNatural" xmi:id="_97i8wFoiEDKcuqahnlM4Fw2" value="1" /> 
   </ownedEnd> 
   <ownedEnd xmi:id="_97lZAFoiEDKcuqahnlM4Fw" name="student" type="_YYIbAFn8EDKcuqahnlM4Fw" owningAssociation="_97mnIFoiEDKcuqahnlM4Fw" association="_97mnIFoiEDKcuqahnlM4Fw"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_97lZAFoiEDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_97lZAFoiEDKcuqahnlM4Fw00" key="uuid" value="_97lZAFoiEDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <lowerValue xsi:type="uml:LiteralInteger" xmi:id="_97lZAFoiEDKcuqahnlM4Fw1" /> 
    <upperValue xsi:type="uml:LiteralUnlimitedNatural" xmi:id="_97lZAFoiEDKcuqahnlM4Fw2" value="1" /> 
   </ownedEnd> 
  </packagedElement> 
  <packagedElement xsi:type="uml:Association" xmi:id="_8uGK0FolEDKcuqahnlM4Fw" name="Teacher_Leave a comment" memberEnd="_8uEVoFolEDKcuqahnlM4Fw _8uFjwFolEDKcuqahnlM4Fw" navigableOwnedEnd="_8uEVoFolEDKcuqahnlM4Fw _8uFjwFolEDKcuqahnlM4Fw"> 
   <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
    <eAnnotations xmi:id="_8uGK0FolEDKcuqahnlM4Fw0" source="genmymodel"> 
     <details xmi:id="_8uGK0FolEDKcuqahnlM4Fw00" key="uuid" value="_8uGK0FolEDKcuqahnlM4Fw"></details> 
    </eAnnotations> 
   </xmi:Extension> 
   <ownedEnd xmi:id="_8uEVoFolEDKcuqahnlM4Fw" name="leave a comment" type="_57YLkFolEDKcuqahnlM4Fw" owningAssociation="_8uGK0FolEDKcuqahnlM4Fw" association="_8uGK0FolEDKcuqahnlM4Fw"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_8uEVoFolEDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_8uEVoFolEDKcuqahnlM4Fw00" key="uuid" value="_8uEVoFolEDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <lowerValue xsi:type="uml:LiteralInteger" xmi:id="_8uEVoFolEDKcuqahnlM4Fw1" /> 
    <upperValue xsi:type="uml:LiteralUnlimitedNatural" xmi:id="_8uEVoFolEDKcuqahnlM4Fw2" value="1" /> 
   </ownedEnd> 
   <ownedEnd xmi:id="_8uFjwFolEDKcuqahnlM4Fw" name="teacher" type="_gx0p0Fn8EDKcuqahnlM4Fw" owningAssociation="_8uGK0FolEDKcuqahnlM4Fw" association="_8uGK0FolEDKcuqahnlM4Fw"> 
    <xmi:Extension extender="http://www.eclipse.org/emf/2002/Ecore"> 
     <eAnnotations xmi:id="_8uFjwFolEDKcuqahnlM4Fw0" source="genmymodel"> 
      <details xmi:id="_8uFjwFolEDKcuqahnlM4Fw00" key="uuid" value="_8uFjwFolEDKcuqahnlM4Fw"></details> 
     </eAnnotations> 
    </xmi:Extension> 
    <lowerValue xsi:type="uml:LiteralInteger" xmi:id="_8uFjwFolEDKcuqahnlM4Fw1" /> 
    <upperValue xsi:type="uml:LiteralUnlimitedNatural" xmi:id="_8uFjwFolEDKcuqahnlM4Fw2" value="1" /> 
   </ownedEnd> 
  </packagedElement> 
 </uml:Model> 
</xmi:XMI>
