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 city could you visit the Anne Frank House?
Example Output: anne frank house

Example Input: Alejandro Amaya, Carlos Arruza, Jaime Bravo and Carmelo Torres are famous Mexican?
Example Output: alejandro amaya

Example Input: Which moorland plateau is the highest point in Derbyshire?
Example Output:
derbyshire