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

Example Input: Abyssinian, British Longhair and German Rex are all breeds of what?
Example Output: british longhair

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

Example Input: Which American/British band reached number one in the UK pop charts in January 1980 with the record Brass in Pocket ?
Example Output:
brass in pocket