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

[Q]: Who composed 'Eine Kleine Nachtmusik' in the 18th Century?
[A]: eine kleine nachtmusik


[Q]: Who won a Gold Medal for Britain in the men's 100 metres at the 1992 Summer Olympic Games in Barcelona?
[A]: britain


[Q]: According to the Bible, who denied knowing Jesus 3 times before the cock crowed twice?
[A]:
bible