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

Ex Input:
In Curse of the Pink Panther who plays Clouseau after surgery?

Ex Output:
curse of the pink panther


Ex Input:
What is the capital of the US state of California?

Ex Output:
california


Ex Input:
What was Humphrey Bogart's character in the 1949 film 'The Big Sleep'?

Ex Output:

humphrey bogart