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.
Input: a guide dog can lead its deaf owner
(A) a guide dog can lead its deaf and blind owner
(B)deaf people can see so they do not need guide dog
(C)a deaf old man bought a guide dog for his blind wife.
Output:
B