Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

[EX Q]: Ethanol and isopropyl are types of what?
[EX A]: alcohol

[EX Q]: 'Eureka', the National Children's Museum is in which town?
[EX A]: halifax

[EX Q]: Which country declared war on Mexico on 13 May 1846?
[EX A]:
united states