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

[Q]: Which biologist was known as Darwin's Bulldog?
[A]: charles darwin


[Q]: Who won the men`s gold medal for ice-figure skating at the 1980 Winter Olympics?
[A]: 1980 winter olympics


[Q]: Which Pulitzer Prize winning novel, by Alice Walker, was the subject of numerous attempts to have it banned, on the grounds of violence and racism?
[A]:
alice walker