Did {Macaulay_Culkin} {sibling} {Kieran Culkin}?
Are Macaulay Culkin and Kieran Culkin related to one another?
Is Kieran Culkin a sibling to Macaulay_Culkin ?
ASK WHERE { resource:Macaulay_Culkin property:sibling resource:Kieran_Culkin }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q103578> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P3373> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q313204>. } 
ASK WHERE { wd:Q103578 wdt:P3373 wd:Q313204 }