<http://www.w3.org/ns/prov#hadRole>	<http://www.w3.org/2000/01/rdf-schema#domain>	_:vb50857892 .
_:vb50857892	<http://www.w3.org/2002/07/owl#unionOf>	_:vb50857891 .
_:vb50857892	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .