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

[EX Q]: In which war was the Battle of Bunker Hill?
[EX A]: battle of bunker hill

[EX Q]: What is the only nation state of the Commonwealth of Nations on the mainland of South America?
[EX A]: commonwealth of nations

[EX Q]: What 1908 satirical work by the Nobel Prize winning French author Anatole France describes a fictitious island of great auks that exists on the northern coast of Europe?
[EX A]:
anatole france