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

'Edward Lewis' and 'Vivian Ward' were the principal characters in which popular 1990 film?
edward lewis

Which exponent of Brit Art created works involving a bed, a tent and a beach hut?
young british artists

What dish has romaine lettuce and croutons dressed with parmesan cheese, lemon juice, olive oil, egg, Worcestershire sauce, and black pepper?

worcestershire sauce