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

Ex Input:
Where is David Cameron's Oxfordshire constituency?

Ex Output:
david cameron


Ex Input:
Which film actor (1895-1926) is known for his films The Four Horsemen, The Sheik and Blood And Sand?

Ex Output:
blood and sand


Ex Input:
What is the second book of the Bible?

Ex Output:

bible