<rdf:RDF
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:owl="http://www.w3.org/2002/07/owl#"
    xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#">
  <owl:Ontology rdf:about="https://w3id.org/MON/questionanswer.owl">
    <owl:imports rdf:resource="https://w3id.org/MON/language.owl"/>
    <owl:imports rdf:resource="https://w3id.org/MON/action.owl"/>
  </owl:Ontology>
  <owl:Class rdf:about="https://w3id.org/MON/questionanswer.owl#Question">
    <rdfs:label xml:lang="en">Question</rdfs:label>
    <rdfs:comment xml:lang="en">A sentence in interrogative form.</rdfs:comment>
    <rdfs:subClassOf>
      <owl:Restriction>
        <owl:someValuesFrom rdf:resource="http://www.w3.org/2000/01/rdf-schema#Literal"/>
        <owl:onProperty>
          <owl:FunctionalProperty rdf:about="https://w3id.org/MON/questionanswer.owl#textualContent"/>
        </owl:onProperty>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
        <owl:someValuesFrom rdf:resource="https://w3id.org/MON/language.owl#LinguisticSystem"/>
        <owl:onProperty rdf:resource="https://w3id.org/MON/language.owl#hasLanguage"/>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>
  <owl:Class rdf:about="https://w3id.org/MON/questionanswer.owl#Answer">
    <rdfs:label xml:lang="en">Answer</rdfs:label>
    <rdfs:comment xml:lang="en">Somenthing said or written in reaction to a Question.</rdfs:comment>
    <rdfs:subClassOf>
      <owl:Restriction>
        <owl:someValuesFrom rdf:resource="http://www.w3.org/2000/01/rdf-schema#Literal"/>
        <owl:onProperty>
          <owl:FunctionalProperty rdf:about="https://w3id.org/MON/questionanswer.owl#textualContent"/>
        </owl:onProperty>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf>
      <owl:Restriction>
        <owl:someValuesFrom rdf:resource="https://w3id.org/MON/questionanswer.owl#Question"/>
        <owl:onProperty>
          <owl:FunctionalProperty rdf:about="https://w3id.org/MON/questionanswer.owl#toQuestion"/>
        </owl:onProperty>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf rdf:resource="https://w3id.org/MON/action.owl#Action"/>
  </owl:Class>
  <owl:Class rdf:about="http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#Task"/>
  <owl:Class rdf:about="http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#Action"/>
  <owl:Class rdf:about="http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#Agent"/>
  <owl:FunctionalProperty rdf:about="https://w3id.org/MON/questionanswer.owl#textualContent">
    <rdfs:label xml:lang="en">textual content</rdfs:label>
    <rdfs:comment xml:lang="en">The textual content of something.</rdfs:comment>
    <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Literal"/>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#DatatypeProperty"/>
  </owl:FunctionalProperty>
  <owl:FunctionalProperty rdf:about="https://w3id.org/MON/questionanswer.owl#toQuestion">
    <rdfs:label xml:lang="en">to question</rdfs:label>
    <rdfs:comment xml:lang="en">It relates an Answer to the question it refers to.</rdfs:comment>
    <rdfs:range rdf:resource="https://w3id.org/MON/questionanswer.owl#Question"/>
    <rdfs:domain rdf:resource="https://w3id.org/MON/questionanswer.owl#Answer"/>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#ObjectProperty"/>
  </owl:FunctionalProperty>
  <owl:AllDisjointClasses>
    <owl:members rdf:parseType="Collection">
      <owl:Class rdf:about="http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#Action"/>
      <owl:Class rdf:about="http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#Agent"/>
      <owl:Class rdf:about="http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#Task"/>
      <rdf:Description rdf:about="https://w3id.org/MON/language.owl#LinguisticSystem"/>
      <owl:Class rdf:about="https://w3id.org/MON/questionanswer.owl#Question"/>
    </owl:members>
  </owl:AllDisjointClasses>
</rdf:RDF>