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

Q: Ornette Coleman, Louis Armstrong and Charles Mingus are associated with what style of music?

A: charles mingus
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Q: Chris Difford and Glenn Tilbrook founded which band in 1974?

A: chris difford
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Q: Who featured of Jay Sean's 2009 No.1 Down?

A:
down
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