A man in a green helmet helping a girl in a blue helmet and pink suite up a rock with a rope .
It is improbable that a man in a blue shirt teaches a girl how to rock climb on a gray rock .
There is a better than even chance that a man in a blue shirt teaches a girl how to rock climb on a gray rock .
It is improbable that a man in a blue shirt teaches a girl how to rock climb on a gray rock .
A man in a blue shirt teaches a girl how to rock climb on a gray rock .