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

[Q]: In May 1940, who became British Prime Minister after the resignation of Neville Chamberlain?
[A]: prime minister of the united kingdom


[Q]: Which entertainer uses various names, including Puff Daddy, P. Diddy and Diddy?
[A]: p. diddy


[Q]: What are Proxima Centauri, Sirius A, Pollux, Arcturus and Betelgeuse?
[A]:
arcturus