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

[Q]: Which Noble prize-winning novelist is best known for 'And Quiet Flows the Don?
[A]: and quiet flows the don


[Q]: In Curse of the Pink Panther who plays Clouseau after surgery?
[A]: curse of the pink panther


[Q]: Chinese inventor Cai Lun is credited with inventing what in 105bc The first instance of his invention was created from a mixture of tree bark, rags, pieces of rope and worn fishing nets.?
[A]:
cai lun