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.

He went to sleep on his roof.
(A) There's plenty of space to sleep on a roof.
(B)Sleeping on a roof provides a nice view.
(C)A roof is not a safe place to sleep.
C