Did {Meme} {studied by} {catastrophism}?
Did memes study catastrophism?
Was catastrophism studied by memes?
ASK WHERE { resource:meme property:studied_by resource:catastrophism }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q978> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2579> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q826716>. } 
ASK WHERE { wd:Q978 wdt:P2579 wd:Q826716 }