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

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

Example Input: Who plays Dr Evil the nemesis of Austin Powers in the Austin Powers series of films?
Example Output: austin powers

Example Input: Apollo Creed is the enemy of whom?
Example Output:
apollo creed