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

Ex Input:
Who painted The Card Players, at Feb 2012 the most expensive artwork in the world?

Ex Output:
the card players


Ex Input:
Forty hours before he committed suicide in 1945 Adolf Hitler married whom?

Ex Output:
adolf hitler


Ex Input:
What name was first applied to the group Cream when they formed in the early sixties?

Ex Output:

cream