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

Which play and film was adapted from a story by Christopher Isherwood and later adapted as the musical and film Cabaret?
cabaret

Which popular animated characters, first seen in 1996 include many different characters including ones called Ash Ketchum, Tracy Sketchit and Gar Oak?
tracy

Which 1987 film stars Eddie Murphy as Axel Foley?

eddie murphy