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

Input: Consider Input: From which musical did the song 'Chim Chim Cheree' come?

Output: chim chim cher-ee

Input: Consider Input: Who was the first person to sign the American Declaration of Independence?

Output: united states declaration of independence

Input: Consider Input: Who was the first DJ to be heard on Radio1?
Output: disc jockey