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.

Ex Input:
He is waiting for his flight in the metro station
(A) Shuttle buses don't service metro station
(B)Trains may stop at the metro station
(C)Flights will not land in metro station

Ex Output:
C


Ex Input:
I opened my house's door by my car's key
(A) my house's door is big and safe
(B)my car's key is small and delicate
(C)my car's key doesn't fit too my house's door

Ex Output:
C


Ex Input:
I saw a tiger in the sky yesterday
(A) Tigers are carnivores
(B)There are many tigers in the world
(C)Tigers can't fly

Ex Output:

C