premise: Two hockey players in a struggle on the ice.
hypothesis: No one is on the ice playing hockey today.
explanation_1: If two hockey players are on the ice, then somebody is on the ice. There cannot be no one and someone simultaneously.
premise_logic: exists x1 x2 x3 x4.(n_ice(x4) & a_topic(x1) & in(x1,x3) & on(x3,x4) & n_struggle(x3) & n_player(x1) & of(x1,x2) & n_hockey(x2) & card_eq_2(x1))
hypothesis_logic: exists x2.(n_ice(x2) & -exists p1 x1.(exists e1 x3 x4 x5.(on(x1,x2) & Time(e1,x5) & n_today(x5) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_hockey(x4) & (x2 = x3)) & n_one(x1)))
premise_sim: exists x1 x2 x3 x4.(on(x3,x4) & of(x1,x2) & n_struggle(x3) & n_player(x1) & n_ice(x4) & n_hockey(x2) & in(x1,x3) & card_eq_2(x1) & a_topic(x1))
hypothesis_sim: exists x2.(n_ice(x2) & all x1.(all e1 x3 x4 x5.(-v_play(e1) | -on(x1,x2) | -n_today(x5) | -n_hockey(x4) | -Time(e1,x5) | -Theme(e1,x4) | -Actor(e1,x3) | -(x2 = x3)) | -n_one(x1)))