What is the {subject has role} and the {said to be the same as} of {Sucrose} ?
Which {subject has part} which {said to be the same as} of {Sucrose} ?
Which {subject has role} which {said to be the same as} of {Sucrose} ?
SELECT ?h ?c WHERE { resource:sucrose property:said_to_be_the_same_as ?c . resource:sucrose property:subject_has_role ?h }
 SELECT ?ans_1 ?ans_2 WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q4027534> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2868> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_1. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q4027534> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P460> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_2. } 
SELECT ?ans_1 ?ans_2 WHERE { wd:Q4027534 wdt:P2868 ?ans_1 . wd:Q4027534 wdt:P460 ?ans_2 }
sweetener sugar