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:
The waste of cows releases a lot of which type of gas?

Ex Output:
carbon dioxide

Ex Input:
Most terrestrial vertebrates have what type of lungs?

Ex Output:
extra

Ex Input:
What is defined in physics as the amount of force pushing against a given area?

Ex Output:
energy