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: Consider Input: She swatted away a commercial airplane
(A) Humans are incapable of swatting away commercial airplanes
(B)Commercial aiplanes are generally safe and tightly regulated
(C)Commercial airplanes are full of people

Output: A

Input: Consider Input: Iron is the lightest metal
(A) Both iron and aluminum are metals
(B)Iron and aluminum have some of the same chemical properties
(C)The atomic mass of iron is larger than that of aluminum

Output: C

Input: Consider Input: a pie can force a nail into a board
(A) the pie may be lemon flavored while the nail is hard
(B)a nail cannot eat a pie
(C)a pie is not solid and hard enough to force a nail into a board
Output: C