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 change of the Earth's distance from the sun causes the amount of daylight to decrease. 
Question: The change of the Earth's distance from the sun causes the amount of what to decrease?

Output: daylight.


Input: Consider Input: Fact: Food can be cooked on metal. 
Question: Which surface can food be cooked on?

Output: Metal.


Input: Consider Input: Fact: medicine is used for curing humans when they are sick. 
Question: Medicine can cure humans when they are?


Output: sick.