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

Which British Prime Minister married Clementine Hozier on September 12th 1908?
clementine churchill

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

What UK bank holiday is celebrated 2 days after Good Friday?

bank holiday