_:vb918917	<http://www.w3.org/2002/07/owl#unionOf>	_:vb918921 .
<http://www.w3.org/ns/prov#hadActivity>	<http://www.w3.org/2000/01/rdf-schema#domain>	_:vb918917 .
_:vb918917	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .