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

Example Input: The Ivy League University 'Dartmouth College' is in which US state?
Example Output: dartmouth college

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

Example Input: What is the largest object in the asteroid belt?
Example Output:
asteroid belt