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

[Q]: In which film of 1995 did Robert De Niro and Al Pacino appear on screen together for the first time?
[A]: al pacino


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


[Q]: The 2002 hit Dilemma was a duet between Kelly Rowland and which other pop star?
[A]:
dilemma