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:
Students create tests to assess their learning.
(A) It is the teacher that creates the test.
(B)Students test teachers' patience.
(C)Teacher test both good and bad students.

Ex Output:
A


Ex Input:
I will take notes in the bird.
(A) Most birds can fly.
(B)Most birds have feathers.
(C)A bird is an animal.

Ex Output:
C


Ex Input:
this is a red trunk
(A) trunk is brown.
(B)trunk is blue
(C)trunk is not existed in this world

Ex Output:

A