Did {Uma_Thurman} {partner} {Arpad Busson}?
Did Uma Thurman partner up with Arpad Busson?
Was Arpad Busson a partner to Uma Thurman ?
ASK WHERE { resource:Uma_Thurman property:unmarried_partner resource:Arpad_Busson }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q125017> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P451> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q4795698>. } 
ASK WHERE { wd:Q125017 wdt:P451 wd:Q4795698 }