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: My brother is a horse.
(A) Horses are often bigger than humans.
(B)Horses and humans both run in races.
(C)My brother could not be a horse because I am a human.
A:
C