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: When heat passes through metal, that metal expands. 
Question: What happens to metal when heat passes through it?

Output: It expands.


Input: Consider Input: Fact: sickness has a negative impact on an organism. 
Question: What has a negative impact on an organism?

Output: sickness.


Input: Consider Input: Fact: If water vapor doesn't condense into clouds, plants in the wild will wither and die. 
Question: Plants will die from a lack of water if vapor in clouds doesn't what?


Output: condense.