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

[Q]: What is the capital of the US state of California?
[A]: california


[Q]: Who bad a number 1 in the 1980's with Circle in the Sand?
[A]: circle in the sand


[Q]: In the children's tv series, what is the name of Bob the Builder's female business partner?
[A]:
bob the builder