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

[EX Q]: Who is the current Australian prime minister ?
[EX A]: australia

[EX Q]: Which popular Doctor Who villains, it was revealed in 2011, are to be given 'a rest' by scriptwriters?
[EX A]: doctor who

[EX Q]: With which instrument would you associate Caroline Corr?
[EX A]:
caroline corr