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

Ex Input:
The song Don't Rain On My Parade features in which musical?

Ex Output:
don't rain on my parade


Ex Input:
Food writer and critic Egon Ronay, who died in 2010, was born in what country, which offers a food related pun?

Ex Output:
egon ronay


Ex Input:
March 9, 1959 saw the introduction of the Barbie doll at the American International Toy Fair in New York. What company produces the Barbie doll?

Ex Output:

barbie