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:
The effect of seeing dirty is a more refined mind
(A) the person who has a noble mind sees dirty too
(B)A man of noble mind chooses to treat filth properly
(C)dirty is not usually associated with a refined mind

Ex Output:
C


Ex Input:
He is waiting for his flight in the metro station
(A) Shuttle buses don't service metro station
(B)Trains may stop at the metro station
(C)Flights will not land in metro station

Ex Output:
C


Ex Input:
The moon emits light to all the world.
(A) At night, you can see the moon and a star.
(B)The moon is not a star.
(C)From earth, the moon appears bigger than a star.

Ex Output:

B