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

Example Input: Formerly known as Sky Dome, Rogers Centre is home to what American League baseball team, the only MLB team located outside the United States?
Example Output: american league

Example Input: Which Best Picture nominated movie tells the story of US soldier, 'Chris' Kyle?
Example Output: chris kyle

Example Input: In the film `Breakfast at Tiffanys`, what is the name of Audrey Hepburn`s character`s cat ?
Example Output:
breakfast at tiffany's