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.

Many people live on Mars.
(A) Mars does not have good weather.
(B)Mars cannot sustain life.
(C)Mars is much bigger than Canada.
Output:
B