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.

[Q]: Mammals generally lack a cloaca and have a separate opening for the what?
[A]: urinary tract

[Q]: Particulates cause lung diseases. they can also increase the risk of heart disease and the number of what?
[A]: coughing

[Q]: What is is a measurement of the force amplification of a machine?
[A]:
mechanical push