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: When you reuse products you reduce the resources but also protect the environment. 
Question: When you reuse products you reduce resources but also protect the?

Output: Environment.


Input: Consider Input: Fact: Most invertebrates have brains capable of learning. 
Question: Most invertebrates have brains capable of what?

Output: learning.


Input: Consider Input: Fact: proteins fight antigens. 
Question: what do proteins fight?


Output: antigens.