Detailed Instructions: 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.
Q: Crocodiles are considered to be mammals.
(A) Crocodiles and humans are both living creatures.
(B)Crocodiles are considered to be reptiles and not mammals.
(C)Humans and crocodiles can be the same size.
A:
B