premise: A boy is rock climbing.
hypothesis: A boy is climbing rocks.
explanation_1: Rock climbing and climbing rocks is the same expression.
premise_logic: exists p1 x1.(exists x2 x3.((x1 = x2) & n_climb(x2) & of(x2,x3) & n_rock(x3)) & n_boy(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_rock(x2) & n_boy(x1))
premise_sim: exists x1.(n_boy(x1) & exists x2 x3.(of(x2,x3) & n_rock(x3) & n_climb(x2) & (x1 = x2)))
hypothesis_sim: exists e1 x1 x2.(v_climb(e1) & n_rock(x2) & n_boy(x1) & Theme(e1,x2) & Actor(e1,x1))