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

Ex Input:
Food writer and critic Egon Ronay, who died in 2010, was born in what country, which offers a food related pun?

Ex Output:
egon ronay


Ex Input:
In which religion is there one god called Ahura Mazda?

Ex Output:
ahura mazda


Ex Input:
Which Nick Hornby book concerned his being a fan of Arsenal?

Ex Output:

arsenal