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

Which British singer released a 1972 album entitled 'Blondes Have More Fun'?
blondes have more fun

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

Which country has Slovakia to the north, The Ukraine and Romania to the east, Serbia & Montenegro and Croatia to the south, and Austria to the west?

slovakia