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

Ex Input:
Which Best Picture nominated movie tells the story of US soldier, 'Chris' Kyle?

Ex Output:
chris kyle


Ex Input:
Which English classic horse race for 3 year olds held at Doncaster every September began in 1776?

Ex Output:
doncaster racecourse


Ex Input:
What kind of fruit or vegetable are capsicums?

Ex Output:

capsicum