instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Who was the first person to sign the American Declaration of Independence?
answer:
united states declaration of independence


question:
What's missing: Magnum Force, The Enforcer, Sudden Impact, and The Dead Pool?
answer:
sudden impact


question:
Which film star (of Brokeback Mountain fame) died on 22 Jan 2008?
answer:

brokeback mountain