Write a correct answer to the given question based on its associated fact. Make sure that your answer is contained in the associated fact. Don't be creative and introduce any new word that is not mentioned in the associated fact! Remember that the associated fact has been rearranged to form the question. So, the correct answer words must lie within the associated fact. The correct answer can be a word, phrase, or even a sentence.

Input: Consider Input: Fact: Plants respond to green manures to disrupt plant disease. 
Question: Plants respond to what to disrupt plant disease?

Output: green manures.


Input: Consider Input: Fact: Condoms make sex safe if they're not used incorrectly. 
Question: When aren't condoms safe?

Output: When they're used incorrectly.


Input: Consider Input: Fact: certain Steel products have a positive impact on the environment. 
Question: certain Steel products have a positive impact on what?


Output: environment.