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

Food writer and critic Egon Ronay, who died in 2010, was born in what country, which offers a food related pun?
egon ronay

In the British Army, what rank falls between Major General and Colonel?
british army

film Brideshead Revisited was based on who's novel penned in 1945?

brideshead revisited