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: Damming a river can cause something with fresh water to form. 
Question: What is the thing that is created by damming a river made of?

Output: Fresh water.


Input: Consider Input: Fact: animals use sound to find a mate. 
Question: What do animals use to find a mate?

Output: sound.


Input: Consider Input: Fact: Getting a measurement on the Moh's scale requires scratching. 
Question: How can you get a measurement on the Moh's scale?


Output: Scratching.