<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
xmlns:owl="http://www.w3.org/2002/07/owl#"
xmlns:first="http://www.w3.org/2002/03owlt/equivalentClass/premises008#"
<owl:Ontology/>
<owl:Class rdf:ID="c1">
<owl:equivalentClass>
<owl:Class rdf:ID="c2"/>
</owl:equivalentClass>
<first:annotate>description of c1</first:annotate>
</owl:Class>
<owl:AnnotationProperty rdf:ID="annotate" />
</rdf:RDF>