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

Example Input: The rivers Axe, Brue, Cary, Parrett, eta, are in which English county?
Example Output: castle cary

Example Input: Trujillo and Chiclayo are cities in which country in the Americas?
Example Output: chiclayo

Example Input: What is the highest prize awarded at the Cannes Film Festival?
Example Output:
cannes film festival