_:vb50857891	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://www.w3.org/ns/prov#Association> .
_:vb50857892	<http://www.w3.org/2002/07/owl#unionOf>	_:vb50857891 .
_:vb50857891	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:vb50857893 .