instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Which boxer was nicknames `The Brown Bomber`?
answer:
boxing


question:
Name the actress, she died in August 2002, who played the part of 'Madame Edith Artois' in the TV series 'Allo, Allo'?
answer:
edith artois


question:
Being and Nothingness was a 1946 work by which French philosopher?
answer:

being and nothingness