Prefix(owl:=) Prefix(rdf:=) Prefix(xml:=) Prefix(xsd:=) Prefix(rdfs:=) Ontology( Declaration(ObjectProperty()) AnnotationAssertion(rdfs:label "lego relation"@en) SubObjectPropertyOf( ) SubObjectPropertyOf( ) SubObjectPropertyOf( ) SubObjectPropertyOf( ) SubObjectPropertyOf( ) SubObjectPropertyOf( ) SubObjectPropertyOf( ) SubObjectPropertyOf( ) SubObjectPropertyOf( ) SubObjectPropertyOf( ) SubObjectPropertyOf( ) )