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

Q: And Another Thing... by Eoin Colfer, published in 2009, eight years after the death of the author of the first five, is described as the sixth in which trilogy of books?

A: and another thing...
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Q: Which actor spoke the line I love the smell of napalm in the morning* in the 1979 film Apocalypse Now?

A: apocalypse now
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Q: In which battle did Edward the Black Prince 'win his spurs'?

A:
edward, the black prince
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