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

Ex Input:
What nationality was the composer Bela Bartok?

Ex Output:
bela bartok


Ex Input:
With what sport is Dennis Compton associated?

Ex Output:
denis compton


Ex Input:
Which television character is well known for his catchphrase D'oh?

Ex Output:

d'oh!