Given the task definition and input, reply with output. 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.

People have a great probability to travel to Mars by bus in the following decades
(A) Buses can run pretty fast on the road
(B)Buses cannot travel in space
(C)Buses can carry lots of people
B