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

Ex Input:
Barabas is the central character in what 16th century play?

Ex Output:
barabas


Ex Input:
Carpo and Elara are moons of which planet?

Ex Output:
elara


Ex Input:
In 2012 , who became the first woman writer to win the Booker Prize for the second time ?

Ex Output:

man booker prize