Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Q: Who was in the films Zelig, Stardust Memories, and Broadway Danny Rose?

A: broadway danny rose
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Q: Which country mainly makes up the Horn of Africa?

A: africa
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Q: Leonardo DiCaprio played which billionaire in the 2004 film 'The Aviator'?

A:
the aviator
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