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

[EX Q]: Which British Prime Minister delivered the 'Winds of Change' speech in 1960?
[EX A]: wind of change

[EX Q]: Which river begins in the Rocky Mountains in south-west Colorado, crosses New Mexico and forms the border between Mexico and the USA before reaching the Gulf of Mexico?
[EX A]: new mexico

[EX Q]: In which region of Germany was the notorious Dachau concentration camp?
[EX A]:
dachau concentration camp