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.

cars are mostly made of ice
(A) ice melts so it is not used for making cars
(B)ice is colorless and cars are generally white
(C)ice and metals both are solid
Output:
A