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

[EX Q]: Although it was headquartered at Oak Ridge, TN, and the University of Chicago, what was the name of the WWII project that created the atomic bomb?
[EX A]: nuclear weapon

[EX Q]: With what country are corgi dogs associated?
[EX A]: pembroke welsh corgi

[EX Q]: Orphelia, Autumn Leaves and Bubbles are 3 of the famous works of which artist?
[EX A]:
autumn leaves