premise: Two men holding skateboards and one man skateboarding.
hypothesis: The men are part of a skating competition.
explanation_1: Holding a skateboard and skateboarding does not imply being in a skating competition.
premise_logic: exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_skateboarding(x5) & of(x5,x6) & n_man(x6) & card_eq_1(x5) & n_skateboard(x4) & subset_of(x5,x3) & subset_of(x4,x3) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
hypothesis_logic: exists p1 x1.(n_man(x1) & exists e1 x2 x3.((x1 = x2) & of(x2,x3) & n_competition(x3) & Actor(e1,x3) & v_skate(e1) & n_part(x2)))
premise_sim: exists e1 x1 x2 x3 x4 x5 x6.(v_hold(e1) & subset_of(x5,x3) & subset_of(x4,x3) & of(x5,x6) & n_skateboarding(x5) & n_skateboard(x4) & n_man(x6) & n_man(x1) & card_eq_2(x1) & card_eq_1(x5) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists x1.(n_man(x1) & exists e1 x2 x3.(v_skate(e1) & of(x2,x3) & n_part(x2) & n_competition(x3) & Actor(e1,x3) & (x1 = x2)))