Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
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Question: Brothers Richard and Simon Mantell played which sport for England in the 2010 Commonwealth Games?

Answer: 2010 commonwealth games


Question: In which country are the Angel Falls, or Kerepakupai Ven?

Answer: angel falls


Question: Who played Batman in the 1992 film `Batman Returns`?

Answer:
batman returns