Did {Angela_Merkel} {ethnic group} {Arab}?
Is Angela Merkel Arabic descent?
Is it true that Angela Merkel is an Arab?
ASK WHERE { resource:Angela_Merkel property:ethnic_group resource:Arabs }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q567> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P172> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q35323>. } 
ASK WHERE { wd:Q567 wdt:P172 wd:Q35323 }