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

Which BBC current affairs programme, the longest-running in the world, is 60 years old this year ?
bbc

Which exponent of Brit Art created works involving a bed, a tent and a beach hut?
young british artists

Which singer has had hits with the groups, NERD, The Neptunes and Daft Punk as well as solo hits and accompanying Robin Thicke on 'Blurred Lines'?
blurred lines