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.

Example Input: Fact: the functions of life require energy. 
Question: What is energy required for?
Example Output: The functions of life.

Example Input: Fact: legumes require water for survival. 
Question: what requires water for survival?
Example Output: legumes.

Example Input: Fact: Rainbows are formed when water refracts light. 
Question: What happens when light hits water?
Example Output:
Rainbows are formed.