a rock climber , climbing an extremely steep rust-colored rock wall , and he is wearing a bright orange hard hat with a light attached to it in the front , sunglasses , and jeans .
It is improbable that a rock climber easily scales the side of the rock wall .
There is a better than even chance that a rock climber easily scales the side of the rock wall .
It is improbable that a rock climber easily scales the side of the rock wall .
A rock climber easily scales the side of the rock wall .