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

[Q]: Which Dickens novel is subtitled The Parish Boy's Progress?
[A]: charles dickens


[Q]: Laurence Olivier directed and starred in a 1944 film, which began in the Globe Theatre and then gradually shifted to a realistic evocation of the Battle of Agincourt, which was adapted from which one of Shakespeare's plays?
[A]: battle of agincourt


[Q]: What is the capital of Australia?
[A]:
australia