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

Ex Input:
Bob Clampett created which character in 1938?

Ex Output:
bob clampett


Ex Input:
In which Shakespeare play do the characters Ajax, Achilles and Ulysses appear?

Ex Output:
achilles


Ex Input:
In which Shakespeare play do the characters 'Hortensia', 'Bianca',and 'Baptista' appear?

Ex Output:

bianca