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.

Ex Input:
we followed the bear's tracks in the water
(A) shark can follow the track of its prey in water
(B)bears do not leave tracks in the water
(C)bears cannot find any tracks of you in water

Ex Output:
B


Ex Input:
He looked up at the potatos in the night sky.
(A) Potatos are meant to be consumed.
(B)Stars are bright lights up in the sky.
(C)There are no potatos in the sky, but there are stars,

Ex Output:
C


Ex Input:
Worms are much bigger than birds
(A) Worms have not body
(B)The size of bird is many times of worms'
(C)birds have not body

Ex Output:

B