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

[EX Q]: Who was Domenikos Theotocopoulos better known as?
[EX A]: museum of el greco

[EX Q]: Who follows 'the eight fold path'?
[EX A]: noble eightfold path

[EX Q]: b Who was the tallest British Prime Minister of the 20th century?
[EX A]:
prime minister of the united kingdom