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: Which actress played Arwen in the trilogy of films?

Answer: arwen


Question: Which boxer was nicknames `The Brown Bomber`?

Answer: boxing


Question: Whose 'Plays Pleasant' included `Candida' and 'You Never Can Tell'?

Answer:
candida