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

[EX Q]: Who was re-elected Prime Minister of Canada in May 2011?
[EX A]: prime minister of canada

[EX Q]: Which 1995 'Space' move starred Tom Hanks; Bill Paxton and Kevin Bacon?
[EX A]: tom hanks

[EX Q]: Which European won the 2014 U.S Open Golf Championship?
[EX A]:
2014 u.s. open