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

[EX Q]: Which SF author wrote The Day it Rained Forever?
[EX A]: the day it rained forever

[EX Q]: Which Union leader of the American Civil War gave his name to a tree in California's 'Sequoia National Park'?
[EX A]: american civil war

[EX Q]: In Dante's Divine Comedy, if Hell is divided into 9 circles and Paradise into 9 spheres, what is divided into 7 terraces?
[EX A]:
divine comedy