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

Example Input: Which band had a hit with the song 'Brown Girl in the Ring'?
Example Output: brown girl in the ring

Example Input: Which engineer built the Menai Suspension Bridge and the Caledonian Canal?
Example Output: menai suspension bridge

Example Input: Who was the author of Around The World In 80 Days and 20,000 Leagues Under The Sea?
Example Output:
around the world in 80 days