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: Turbines are used to producing electricity. 
Question: turbines are used to what?

Output: produce electricity.


Input: Consider Input: Fact: conserving water can be used for survival in a desert. 
Question: Where is conserving water useful for survival?

Output: desert.


Input: Consider Input: Fact: the period of most rapid growth is the first year. 
Question: The first year is the period of what?


Output: rapid growth.