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 Prime Minister of Australia at the outbreak of World War I?
[EX A]: australia

[EX Q]: The Ivy League University 'Dartmouth College' is in which US state?
[EX A]: dartmouth college

[EX Q]: What child actress delighted audiences in Curly Top and Heidi?
[EX A]:
heidi