instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Everything Changes, Beautiful World and Circus are all albums released by which British band?
answer:
beautiful world

question:
Cassandra, Grizabella and Skimbleshanks are all characters in which Andrew Lloyd Webber musical?
answer:
andrew lloyd webber

question:
The Channel Islands are in which Channel?
answer:
channel islands