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

Ex Input:
Which American film actress, born in 1947, had a 14 year relationship with Clint Eastwood, starring with him in several films before splitting up in 1989?

Ex Output:
clint eastwood


Ex Input:
Which pop group consisted of Huw Bunford, Clan Caren, Dafydd Leuan, Guto Price and Gryff Rhuys?

Ex Output:
huw bunford


Ex Input:
Edward II was murdered in Berkeley Castle in 1327, in which county is Berkeley Castle?

Ex Output:

edward ii of england