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

[Q]: Who had a 2000 hit with Country Grammar?
[A]: country grammar


[Q]: In which film did Sharon Stone play the character 'Catherine Tramell?
[A]: catherine tramell


[Q]: Copacabana Beach is close to which city?
[A]:
copacabana, rio de janeiro