Part 1. Definition
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
Part 2. Example
Who was the first American President?
Answer: president of the united states
Explanation: The question talks about the president of the USA.
Part 3. Exercise
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?
Answer:
aaron copeland