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

[EX Q]: Which singer provides the voice for Chef in South Park?
[EX A]: chef

[EX Q]: Everything Changes, Beautiful World and Circus are all albums released by which British band?
[EX A]: beautiful world

[EX Q]: Which group recorded the early heavy-metal classic Very 'Eavy Very 'Umble?
[EX A]:
heavy metal music