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 opera does a hunchback jester help his master, the Duke of Mantua, to seduce the daughter of a courtier?
[EX A]: duke of mantua

[EX Q]: Which Irish boxer was nicknamed the Clones Cyclone?
[EX A]: boxing

[EX Q]: In which country is the 2000 film `Amores Perros` set?
[EX A]:
amores perros