Given a scientific question, generate an incorrect answer to the given question. The incorrect answer should be a plausible alternative to the correct answer. The answer should be some other item belonging to the same category as the correct answer but should be incorrect.

Ex Input:
What part of the brain lies under the cerebrum and behind the brain stem?

Ex Output:
spinal cord

Ex Input:
Around what percentage of the earth's surface water is contained in the ocean?

Ex Output:
92 %

Ex Input:
What substances function as a long-term energy store in the human body and possess long carbon chains that prevent dissolving in water?

Ex Output:
hydrocarbons