Detailed Instructions: In this task, you are given an impractical statement. You are also given three reasons (associated with "A", "B", "C") explaining why this statement doesn't make sense. You must choose the most corresponding reason explaining why this statement doesn't make sense.
Q: Most people sleep on air
(A) Air is too cold and uncomfortable for most people
(B)Air is not a solid surface
(C)Air is too scarce of a material to mass produce
A:
B