Question: What is a Class II combustible liquid has the smallest electric dipole moments?
Paraphrase: Define a Class II combustible liquid which contains the littlest electric dipole moments.
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q21009057 . ?ent wdt:P2201 ?obj . ?ent wdt:P31 wd:Q21009057} ORDER BY ASC(?obj)LIMIT 5 
Answer: formic acid, acetic anhydride