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

Q: Which actress played Arwen in the trilogy of films?

A: arwen
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Q: With eight goals which Barcelona player was the leading scorer in the 2009-10 Champions League?

A: barcelona
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Q: Which English Rugby Union team play their home games at Adams Park?

A:
adams park
****