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: The wind has a negative impact on the respiratory system. 
Question: The wind has a negative impact on what?

Output: the respiratory system.


Input: Consider Input: Fact: animals cannot make their own food. 
Question: What cannot make their own food?

Output: animals.


Input: Consider Input: Fact: force on the pedals of a bike cause that bike to move. 
Question: What on the pedals of a bike cause that bike to move?


Output: force.