premise: Two guys walking, one carrying a skateboard
hypothesis: The men are carrying bicycles.
explanation_1: Either the guys are carrying a skateboard or bicycles.
explanation_2: men can't be carrying bicycles if they are carrying skateboard
explanation_3: If the men are carrying bicycles, then one of them is not carrying a skateboard.
premise_logic: exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & rel(x1,x3) & Theme(e2,x5) & Actor(e2,x4) & v_carry(e2) & n_skateboard(x5) & (x3 = x4) & n_thing(x3) & card_eq_1(x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_guy(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & n_bicycle(x2))
premise_sim: exists e1 e2 x1 x2 x3 x4 x5.(v_walk(e1) & v_carry(e2) & rel(x1,x3) & n_thing(x3) & n_skateboard(x5) & n_guy(x1) & card_eq_2(x1) & card_eq_1(x3) & a_topic(x1) & Theme(e2,x5) & Actor(e2,x4) & Actor(e1,x2) & (x3 = x4) & (x1 = x2))
hypothesis_sim: exists e1 x1 x2.(v_carry(e1) & n_man(x1) & n_bicycle(x2) & Theme(e1,x2) & Actor(e1,x1))