premise: A man is rock climbing with protective rope.
hypothesis: The man is climbing without a harness
explanation_1: The protective rope acts as a harness.
explanation_2: If a man is climbing with a protective rope the man is not climbing without a harness.
explanation_3: He can't be climbing both with protective rope and without a harness.
premise_logic: exists p1 x1.(exists e1 s1 x2 x3 x4.((x1 = x2) & with(e1,x4) & n_rope(x4) & a_protective(s1) & Theme(s1,x4) & Actor(e1,x3) & v_climb(e1) & (x2 = x3) & n_rock(x2)) & n_man(x1))
hypothesis_logic: exists e1 x1.(n_man(x1) & -exists x2.(with(e1,x2) & n_harness(x2)) & Actor(e1,x1) & v_climb(e1))