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

Ex Input:
Lopburi, Phichit and Ang Thong are provinces in which Asian country?

Ex Output:
phichit


Ex Input:
In 2013 Yahoo purchased which pictures and video microblogging website business that was founded in 2007 in New York City by David Karp?

Ex Output:
yahoo!


Ex Input:
Which Disney film includes the characters Bubbles,Crush and Mr Ray?

Ex Output:

crush