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

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

Ex Output:
cabaret


Ex Input:
In which war was the Battle of Bunker Hill?

Ex Output:
battle of bunker hill


Ex Input:
Who has played, on film, John Dillinger, Sweeney Todd, J M Barrie, Jack Kerouac and Ed Wood?

Ex Output:

jack kerouac