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

Ex Input:
Which British Prime Minister delivered the 'Winds of Change' speech in 1960?

Ex Output:
wind of change

Ex Input:
Who had hits with Stepping Out and Different For Girls?

Ex Output:
different for girls

Ex Input:
Which American songwriter wrote the music and lyrics for the musical 'Annie get Your Gun'?

Ex Output:
annie get your gun