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

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

Example Input: Cassandra, Grizabella and Skimbleshanks are all characters in which Andrew Lloyd Webber musical?
Example Output: andrew lloyd webber

Example Input: Two books of the Bible list the Ten Commandments.Exodus is one, which is the other?
Example Output:
bible