Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
--------
Question: Who wrote the novel 'Brideshead Revisited'?

Answer: brideshead revisited


Question: Which 1995 'Space' move starred Tom Hanks; Bill Paxton and Kevin Bacon?

Answer: tom hanks


Question: Blondi was a German Shepherd that belonged to whom?

Answer:
blondi