premise: A person surfs through a wave as it crashes down.
hypothesis: A person is lying on the beach.
explanation_1: The person can only surfing or lying on the beach, not both at the same time
explanation_2: The person cannot surf while simultaneously lying on the beach.
explanation_3: A person who surfs cannot be lying on the beach at the same time.
premise_logic: exists e1 p1 x1 x2.(exists e2 s1.(a_down(s1) & Manner(e2,s1) & Actor(e2,x1) & v_crash(e2)) & n_thing(x1) & as(e1,p1) & through(e1,x2) & n_wave(x2) & Actor(e1,x1) & v_surf(e1) & n_person(x1))
hypothesis_logic: exists e1 x1 x2.(n_beach(x2) & on(e1,x2) & Actor(e1,x1) & v_lie(e1) & n_person(x1))