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

Ex Input:
What famous song from the film Butch Cassidy and the Sundance Kid won an Oscar for best song?

Ex Output:
academy award for best original song


Ex Input:
Which British composer wrote the music used as the theme for Desert Island Discs  He also wrote the Dambusters march and the Knightsbridge march.?

Ex Output:
the dam busters


Ex Input:
Which play features the character Blanche Dubois?

Ex Output:

blanche dubois