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

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

Output: david cameron


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

Output: yahoo!


Input: Consider Input: In the 1987 film 'Cry Freedom' which character was played by Denzel Washington?


Output: cry freedom