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

[EX Q]: Who has written a series of novels, entitled The Dark Tower, of which the first, in 1982, was entitled, The Gunslinger?
[EX A]: the dark tower

[EX Q]: In 1981, in a move that met with considerable controversy, the Agriculture Department in the US proposed classifying pickle relish and what other condiment as vegetables in order to save money on school lunch programs?
[EX A]: condiment

[EX Q]: The Chukchi, Beaufort, and Barents are all seas in which ocean?
[EX A]:
chukchi sea