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: What is the second book of the Bible?
Example Output: bible

Example Input: US actors Adam West and James Woods guest star as themselves in various episodes of which US animated television series?
Example Output:
adam west