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.

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

Output: carbon dioxide

Input: Consider Input: Oxides of small, highly charged ions of what type tend to be acidic?

Output: liquid

Input: Consider Input: What's the name for a cluster of genes, where one promoter serves adjacent genes?
Output: nucleus