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

Example Input: In which wars did the battles of Towton and Barnet take place?
Example Output: battle of barnet

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

Example Input: Tia Maria - Vodka and Coke make what cocktail?
Example Output:
cocktail