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

[Q]: The most northerly part of mainland Australia is in which state?
[A]: australia


[Q]: In 2012 , who became the first woman writer to win the Booker Prize for the second time ?
[A]: man booker prize


[Q]: Who played the part of Dr Mark Sloan in the TV series Diagnosis Murder?
[A]:
diagnosis: murder