premise: Two girls talk at an ice skating rink.
hypothesis: Two women compete in a speed skating race.
explanation_1: Girls are different from women, and taking is not the same as competing in a speed skaing race.
explanation_2: Girls denote a younger age than women.  People do not talk when they compete in a race.
explanation_3: talk doesn't mean compete
premise_logic: exists e1 x1 x2 x3 x4.(a_topic(x1) & at(x1,x3) & n_rink(x3) & Actor(e1,x3) & v_skate(e1) & of(x3,x4) & n_ice(x4) & n_talk(x1) & of(x1,x2) & n_girl(x2) & card_eq_2(x1))
hypothesis_logic: exists e1 e2 x1 x2 x3.(in(e1,x2) & n_race(x2) & Actor(e2,x2) & v_skate(e2) & of(x2,x3) & n_speed(x3) & Actor(e1,x1) & v_compete(e1) & n_woman(x1) & card_eq_2(x1))
premise_sim: exists e1 x1 x2 x3 x4.(v_skate(e1) & of(x3,x4) & of(x1,x2) & n_talk(x1) & n_rink(x3) & n_ice(x4) & n_girl(x2) & card_eq_2(x1) & at(x1,x3) & a_topic(x1) & Actor(e1,x3))
hypothesis_sim: exists e1 e2 x1 x2 x3.(v_skate(e2) & v_compete(e1) & of(x2,x3) & n_woman(x1) & n_speed(x3) & n_race(x2) & in(e1,x2) & card_eq_2(x1) & Actor(e2,x2) & Actor(e1,x1))