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

[EX Q]: Who painted The Card Players, at Feb 2012 the most expensive artwork in the world?
[EX A]: the card players

[EX Q]: What is the second book of the Bible?
[EX A]: bible

[EX Q]: Who is the current Australian prime minister ?
[EX A]:
australia