instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Who had hits with Stepping Out and Different For Girls?
answer:
different for girls

question:
What is the only nation state of the Commonwealth of Nations on the mainland of South America?
answer:
commonwealth of nations

question:
From which country did former Formula One driver Denny Hulme originate?
answer:
denny hulme