instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Name Shakespeare play Ariel, Miranda and Prospero appear?
answer:
ariel


question:
Aaron Copeland wrote a ballet about which American folk hero?
answer:
aaron copeland


question:
Which humorous pop group with vocalist Duke D'Mond had hit singles Call Up the Groups and Pop Go the Workers in the 1960s?
answer:

pop music