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

Example Input: Which Frenchman composed Clair de lune, the famous third movement of Suite bergamasque?
Example Output: suite bergamasque

Example Input: 'Edward Lewis' and 'Vivian Ward' were the principal characters in which popular 1990 film?
Example Output: edward lewis

Example Input: What Christian holiday falls on the Sunday before Easter?
Example Output:
christianity