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

[EX Q]: Which film was based on the story The Sentinel by Arthur C Clarke?
[EX A]: arthur c. clarke

[EX Q]: Which current Broadway musical has a Japanese therapist character called Christmas Eve?
[EX A]: christmas eve

[EX Q]: Which Beatles offering was first shown on British TV on Boxing Day 1967?
[EX A]:
the beatles