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

[EX Q]: Which analgesic drug, first isolated in 1804, was named after the Greek god of dreams ?
[EX A]: analgesic

[EX Q]: In which 1960's TV series did Clarence the cross-eyed lion appear?
[EX A]: clarence, the cross-eyed lion

[EX Q]: Who was Archbishop of Canterbury during the reigns of Henry VIII and Edward VI, was then imprisoned for over two years and burnt at the stake for heresy?
[EX A]:
death by burning