premise: A person is surfing in the sea or ocean.
hypothesis: A person is learning to surf.
explanation_1: A person is surfing in the sea or ocean doesn't imply he is learning to surf.
premise_logic: exists e1 x1 x2.((n_sea(x2) | n_ocean(x2)) & in(e1,x2) & Actor(e1,x1) & v_surf(e1) & n_person(x1))
hypothesis_logic: exists e1 x1 x2.(to(e1,x2) & n_surf(x2) & Actor(e1,x1) & v_learn(e1) & n_person(x1))
premise_sim: exists e1 x1 x2.(v_surf(e1) & n_person(x1) & in(e1,x2) & Actor(e1,x1) & (n_sea(x2) | n_ocean(x2)))
hypothesis_sim: exists e1 x1 x2.(v_learn(e1) & to(e1,x2) & n_surf(x2) & n_person(x1) & Actor(e1,x1))