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

[EX Q]: Who played Lionel Hardcastle in the TV series 'As Time Goes By'?
[EX A]: as time goes by

[EX Q]: In which shipping forecast area are the Channel Islands?
[EX A]: channel islands

[EX Q]: Which TV Game Show has been presented by Leslie Crowther, Bruce Forsyth and Joe Pasquale?
[EX A]:
bruce forsyth