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.

Example Input: What are two examples of lipids?
Example Output: vitamins and fatty acid

Example Input: Traits inherited in mendelian patterns are either?
Example Output: dominant or autosomal

Example Input: Bond lengths are intermediate between covalent single bonds and what?
Example Output:
trivalent bonds