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

Ex Input:
Which is the only film of the fantasy genre ever to win the best picture Oscar - full name required?

Ex Output:
academy award for best picture

Ex Input:
In which city could you visit the Anne Frank House?

Ex Output:
anne frank house

Ex Input:
Which woman is the MP for Derby South?

Ex Output:
derby south