Definition: 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.
Input: i just stayed at sky most of the time to read and relax
(A) i stayed in my house when the plane was flying in the sky.
(B)human cannot stay in sky now.
(C)birds cannot stay still when they fly in the sky.
Output:
B