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.

[Q]: Fact: Each starfish arm contains part of the water vascular system. 
Question: Where does a starfish have its water vascular system?
[A]: in its arms.


[Q]: Fact: most mosses are small. 
Question: what are most versions of small?
[A]: mosses.


[Q]: Fact: A mammal needs to attract a mate to give birth to live young. 
Question: What needs to attract a mate in order to give birth to live young?
[A]:
mammals.