premise: A girl holds onto a rope above the water.
hypothesis: A girl is swimming.
explanation_1: A girl can't be holding onto a rope above the water and swimming at the same time.
explanation_2: The girl can either be swimming in the water, or be above the water.
explanation_3: People cannot swim and be above the water at the same time.
premise_logic: exists e1 x1 x2 x3.(n_water(x3) & onto(e1,x2) & above(x2,x3) & n_rope(x2) & Actor(e1,x1) & v_hold(e1) & n_girl(x1))
hypothesis_logic: exists p1 x1.(exists x2.((x1 = x2) & n_swimming(x2)) & n_girl(x1))