Premise: 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 .
Correct statement: It is impossible that a man does not go rock climbing because it is too strenuous for his fitness levels .
Incorrect statement: It is certain that a man does not go rock climbing because it is too strenuous for his fitness levels .