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

[Q]: Chris Martin is the lead singer with which band who had several hits in the 2000s?
[A]: chris martin


[Q]: In which city will the 2014 Tour de France begin?
[A]: 2014 tour de france


[Q]: Which club did Alex Ferguson leave to go to Man United?
[A]:
alex ferguson