premise: A boy is rock climbing.
hypothesis: A boy is on a rock climbing simulator.
explanation_1: The boy does not need to be in a rock climbing simulator to climb rocks.
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 p1 x1.(exists e1 x2 x3.(on(x1,x2) & n_simulator(x2) & Actor(e1,x2) & v_climb(e1) & of(x2,x3) & n_rock(x3)) & 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 x1.(n_boy(x1) & exists e1 x2 x3.(v_climb(e1) & on(x1,x2) & of(x2,x3) & n_simulator(x2) & n_rock(x3) & Actor(e1,x2)))