premise: A father in black shorts and his son are walking down the beach.
hypothesis: Two men are surfing.
explanation_1: The two men could either be walking down the beach, or surfing. They cannot do both simultaneously.
premise_logic: exists e1 s1 x1 x2 x3 x4 x5.(n_beach(x5) & down(e1,x5) & Actor(e1,x1) & v_walk(e1) & in(x1,x2) & subset_of(x4,x2) & n_son(x4) & of(x4,x1) & n_male(x1) & subset_of(x3,x2) & n_shorts(x3) & a_black(s1) & Theme(s1,x3) & n_father(x1))
hypothesis_logic: exists e1 x1.(Actor(e1,x1) & v_surf(e1) & n_man(x1) & card_eq_2(x1))
premise_sim: exists e1 s1 x1 x2 x3 x4 x5.(v_walk(e1) & subset_of(x4,x2) & subset_of(x3,x2) & of(x4,x1) & n_son(x4) & n_shorts(x3) & n_male(x1) & n_father(x1) & n_beach(x5) & in(x1,x2) & down(e1,x5) & a_black(s1) & Theme(s1,x3) & Actor(e1,x1))
hypothesis_sim: exists e1 x1.(v_surf(e1) & n_man(x1) & card_eq_2(x1) & Actor(e1,x1))