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

Q: The Cato Street Conspiracy was a plot to kill which British Prime Minister?

A: prime minister of the united kingdom
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Q: Double vision, the perception of two images from a single object, is properly called what?

A: double vision
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Q: What television show features the last human in the universe, Lister, a creature descended from the common feline, known as Cat, a computer called Holly, and a holographic projection of a human known as Rimmer?

A:
dave lister
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