What is <disjoint union of> of <sedan> ?
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What is the union lacking cohesion  for sedan
SELECT DISTINCT ?s WHERE { ?s property:disjoint_union_of resource:sedan }
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/P2738> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q190578>. }
select distinct ?answer where { ?answer wdt:P2738 wd:Q190578}