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

Ex Input:
Which future Nobel Prize winner did Bill Clinton choose as his Vice President?

Ex Output:
vice president of the united states


Ex Input:
Feb 15, 1564 saw the birth of what famed Italian physicist, mathematician, astronomer, and philosopher, who discovered the first 4 moons of Jupiter?

Ex Output:
astronomer


Ex Input:
What is the state capital of Alabama?

Ex Output:

alabama