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.

Example Input: There must be aliens outside our solar system
(A) No one has proof of having seen aliens
(B)The universe is very big
(C)Scientists haven't proved the existence of aliens
Example Output: C

Example Input: Swimming is something anyone can do.
(A) Swimming can be really good exercise.
(B)Not everyone knows how to swim.
(C)Swimming is something you need water for.
Example Output: B

Example Input: Stay away from the beach, there is carp in the water
(A) Carps grow very fast
(B)Carps don't harm people, thus there is no need to worry
(C)Carps are a kind of nutritious for human
Example Output:
B