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

Which group had UK top ten hits in 1987 with 'Sweet Little Mystery' and 'Angel Eyes'?
angel eyes

Which American actor and singer has joined Amanda Holden as one of the judges on the current series of 'Britain's Got Talent'?
britain's got talent

Who was the author of the plays The Professor's Love Story, Quality Street, The Admirable Crichton and Peter Pan?

peter