What is <carries scientific instrument> of <thermometer> ?
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which  is carries scientific instrument of thermometer ?
SELECT DISTINCT ?d WHERE { ?d property:carries_scientific_instrument resource:thermometer }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject>  ?answer. ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1202> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q646>. }
select distinct ?answer where { ?answer wdt:P1202 wd:Q646}