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: many chemical messengers that control body functions are proteins. 
Question: What are many chemical messengers that control body functions?

Output: proteins.


Input: Consider Input: Fact: A thing arranged in clusters mostly contain instructions for a single protein. 
Question: How often does a thing arranged in clusters contain instructions for a single protein?

Output: mostly.


Input: Consider Input: Fact: when a frog is born it is 1 cm long. 
Question: How long is a frog when it is born?


Output: 1 cm.