<http://purl.obolibrary.org/obo/part_of> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://purl.obolibrary.org/obo/part_of> <http://www.w3.org/2000/01/rdf-schema#label> "part of" .
<http://purl.obolibrary.org/obo/part_of> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://purl.obolibrary.org/obo/part_of> <http://www.w3.org/2000/01/rdf-schema#label> "part of" .