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

[Q]: Who directed the 1988 film 'Beetle Juice'?
[A]: beetlejuice


[Q]: Which English Leicester-born boxer fought Marvin Hagler in 1983 for the WBC and WBA World Middleweight titles and lost by a technical knockout in the sixth round?
[A]: boxing


[Q]: With a population of over one and a half million inhabitants, what is the capital city of Cameroon?
[A]:
cameroon