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

Input: Consider Input: Mr Barkis, Edward Murdstone and Tommy Traddles are all characters in which Charles Dickens novel?

Output: charles dickens


Input: Consider Input: Who did boxer Floyd Patterson defeat to regain the Heavyweight Championship in June 1960?

Output: boxing


Input: Consider Input: Bruce Tuckman's theory about team development uses what four sequential rhyming words to describe the four stages of a group's progression?


Output: bruce tuckman