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

Input: Consider Input: 'Highway 61 Revisited' and 'Blood On The Tracks' were both albums released by which popular singer?

Output: highway 61 revisited


Input: Consider Input: Which brothers own the Daily Telegraph?

Output: the daily telegraph


Input: Consider Input: Which ballet by Aaron Copeland, first performed in 1944, contains a mountain range and a season in its name. It tells the story of a celebration of the building of a Pennsylvanian farmhouse?


Output: aaron copeland