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: measuring diamonds requires scratching them. 
Question: What can you scratch to measure?

Output: diamonds.


Input: Consider Input: Fact: Desertification implies soil deposition. 
Question: Desertification implies what?

Output: soil deposition.


Input: Consider Input: Fact: Embryos inside of a shell require warmth to survive. 
Question: What inside of a shell requires warmth to survive?


Output: embryos.