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

[EX Q]: Which British TV star and disc jockey said `It`s not affected my work - how healthy do you have to be to play Da Do Ron Ron` in 1992 after confirming he had AIDS?
[EX A]: hiv/aids

[EX Q]: Which major river has its source at the confluence of the rivers Brigach and Breg in the Black Forest?
[EX A]: breg

[EX Q]: Who wrote the musical Blood Brothers ?
[EX A]:
blood brothers