Did {Cattle} {this taxon is source of} {beef} and {cowpox} ?
Does cattle act as a source of beef and cowpox?
Is cattle a source of beef and cowpox?
ASK WHERE { resource:cattle property:this_taxon_is_source_of resource:cowpox . resource:cattle property:this_taxon_is_source_of resource:beef }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q830> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1672> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q192628>. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q830> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1672> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q1066011>. } 
ASK WHERE { wd:Q830 wdt:P1672 wd:Q192628 . wd:Q830 wdt:P1672 wd:Q1066011 }