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

[EX Q]: Who composed 'Belshazzar's Feast' cantata?
[EX A]: belshazzar's feast

[EX Q]: 'The Dream of Gerontius' is the 1900 work of which English composer?
[EX A]: the dream of gerontius

[EX Q]: The Prince Edward Islands in the Indian ocean are part of which country?
[EX A]:
prince edward islands