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.
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Question: Ethanol and isopropyl are types of what?

Answer: alcohol

Question: Which actor played the lead role in the 1986 remake of the horror film The Fly?

Answer: jeff goldblum

Question: What species of animal was 4 year old Knut, who died in Berlin zoo last year?

Answer:
polar bear