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

Q: Which group had UK top ten hits in 1987 with 'Sweet Little Mystery' and 'Angel Eyes'?

A: angel eyes
****
Q: Which biologist was known as Darwin's Bulldog?

A: charles darwin
****
Q: Who penned the classic mystery novel And Then There Were None?

A:
and then there were none
****