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: Something produced by the Sun has a negative impact on an organism. 
Question: What has a negative impact on an organism?

Output: sun.


Input: Consider Input: Fact: Plastic slows the transfer of electricity. 
Question: Which material slows the transfer of electricity?

Output: Plastic.


Input: Consider Input: Fact: A pulley is used for lifting mass. 
Question: A pulley is used for lifting?


Output: mass.