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.

The plumber came out this morning to fix the gravy pipes.
(A) Gravy is usually brown while pipes are usually white.
(B)Gravy does not flow through plumbing pipes.
(C)Plumbers do not professionally make gravy.
Output:
B