Question: which is the class IB flammable liquid with the highest combustion enthalpy whose instance of is monohydric alcohol?
Paraphrase: What IB flammable liquid whose instance is monohydric alcohol has the highest combustion enthalpy?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q21009055 . ?ent wdt:P2117 ?obj . ?ent wdt:P31 wd:Q19790488 } ORDER BY DESC(?obj)LIMIT 5 
Answer: methanol