Did {Dengue_fever} {health specialty} {Infectious Disease}?
Is Dengue fever considered to be an infectious disease?
Is Dengue fever an infectious disease?
ASK WHERE { resource:Dengue_fever property:health_specialty resource:infectious_disease }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q30953> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1995> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q788926>. } 
ASK WHERE { wd:Q30953 wdt:P1995 wd:Q788926 }