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

[Q]: Who was the CBS News anchor-man known as 'the man Americans most trust'?
[A]: news presenter


[Q]: On which island is Nassau, the capital of the Bahamas?
[A]: nassau


[Q]: On TV, who provides the voice for Bob the Builder?
[A]:
bob