@prefix ex: <http://example.org/ns#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

_:ont a owl:Ontology .
ex:b a owl:ObjectProperty .

ex:a ex:b ex:c .


