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

[Q]: Who wrote and recorded the original version of the song Blue Suede Shoes which was a hit single for Elvis Presley in 1955?
[A]: blue suede shoes


[Q]: Which pop group consisted of Huw Bunford, Clan Caren, Dafydd Leuan, Guto Price and Gryff Rhuys?
[A]: huw bunford


[Q]: In November 1952, which Agatha Christie murder-mystery play opened at the Ambassadors Theatre, London?
[A]:
agatha christie