You will be given a definition of a task first, then some input of the task.
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.

A whale can climb a building
(A) a whale is much larger than a monkey and cannot walk on land
(B)A whale is a sea animal and a monkey is a land animal
(C)A whale can eat a monkey maybe
Output:
A