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

[Q]: The film The Curious Case of Benjamin Button, starring Brad Pitt, is based on a short story by whom?
[A]: the curious case of benjamin button


[Q]: What is the largest country in Africa?
[A]: africa


[Q]: Who asked the question Are We Human or Are We Dancers?
[A]:
human