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

Ex Input:
Name the actress, she died in August 2002, who played the part of 'Madame Edith Artois' in the TV series 'Allo, Allo'?

Ex Output:
edith artois


Ex Input:
Who played Lionel Hardcastle in the TV series 'As Time Goes By'?

Ex Output:
as time goes by


Ex Input:
Aleph, Beth, Gimel, Daleth are A B C D in which language?

Ex Output:

beth