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: waves can be used to produce electricity. 
Question: What can be used to produce electricity?

Output: waves.


Input: Consider Input: Fact: an animal requires food to grow and heal. 
Question: What does an animal require food for?

Output: to grow and heal.


Input: Consider Input: Fact: Lower temperatures align with lower lifts. 
Question: What is something that correlates with temperature change?


Output: Lift.