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: certain Steel products have a positive impact on the environment. 
Question: certain Steel products have a positive impact on what?

Output: environment.


Input: Consider Input: Fact: being type O A B or AB is important for medical reasons. 
Question: What would be important to know for medical reasons?


Output: You are type O.