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 are the main organs for breathing in a mammal?

Ex Output:
gills

Ex Input:
Compared to others, what type of liquid has a relatively high surface tension and heat capacity?

Ex Output:
oil

Ex Input:
The hamstrings flex the leg, whereas the quadriceps femoris have what effect?

Ex Output:
contract