premise: A person is surfing on a blue surfboard.
hypothesis: A person sits on the beach.
explanation_1: A person who is surfing cannot be the same person who sits on the beach at the same time
premise_logic: exists e1 s1 x1 x2.(on(e1,x2) & n_surfboard(x2) & a_blue(s1) & Theme(s1,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_sit(e1) & n_person(x1))
premise_sim: exists e1 s1 x1 x2.(v_surf(e1) & on(e1,x2) & n_surfboard(x2) & n_person(x1) & a_blue(s1) & Theme(s1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_sit(e1) & on(e1,x2) & n_person(x1) & n_beach(x2) & Actor(e1,x1))