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

Ex Input:
Who won the Women's Singles at the 2015 Australian Open Tennis Championships?

Ex Output:
the championships, wimbledon


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

Ex Output:
huw bunford


Ex Input:
Of which planet is'Desdemona' a satellite?

Ex Output:

desdemona