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


[Q]: Antanananarivo is the capitol of where?
[A]: antananarivo


[Q]: What is the nearest star to the Earth?
[A]:
earth