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

Ex Input:
Which actor spoke the line I love the smell of napalm in the morning* in the 1979 film Apocalypse Now?

Ex Output:
apocalypse now


Ex Input:
July 1938 saw the first ascent of the North Face of which Alpine mountain?

Ex Output:
alps


Ex Input:
Which award winning play, written by Alan Bennett, later made into a film, is set in the fictional Cutler's Grammar School in Sheffield?

Ex Output:

alan bennett