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: Each starfish arm contains part of the water vascular system. 
Question: Where does a starfish have its water vascular system?

Output: in its arms.


Input: Consider Input: Fact: follicles within the skin helps to insulate and protect the body. 
Question: what helps insulate and protect the body?

Output: follicles within the skin.


Input: Consider Input: Fact: lenses are used for observing materials up close. 
Question: what are used for observing materials up close?


Output: lenses.