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(from Hitchhikers Guide To The Galaxy)
Incorrect. The end of this section of the story makes it clear that the question that stumped the computer was not "what is tea" but "why does Arthur want tea." Zaphod Beeblebrox the Fourth solves the problem by telling the computer that Arthur is an ignorant monkey who doesn't know any better, which wouldn't have worked if the computer had been confused in the way this describes.
"The Road Not Taken" is by Turtledove, not Harrison.
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