premise: Four speed skaters representing different countries are racing across ice in front of camera people.
hypothesis: Four skaters race each other.
explanation_1: Speed skaters compete against each other in international competition.
explanation_2: Four speed skaters entails four skaters and racing across and race each other are the same.
explanation_3: If they are racing, they are in a race against each other.
premise_logic: exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_country(x5) & across(e2,x6) & in(x6,x7) & of(x7,x8) & n_people(x8) & of(x8,x9) & n_camera(x9) & n_front(x7) & n_ice(x6) & Actor(e2,x1) & v_race(e2) & Theme(e1,x4) & Actor(e1,x3) & v_represent(e1) & -(x4 = x5) & n_country(x4) & (x1 = x3) & n_skater(x1) & of(x1,x2) & n_speed(x2) & card_eq_4(x1))
hypothesis_logic: all x1.(n_other(x1) -> exists x2 x3.(a_topic(x2) & for(x2,x1) & n_race(x2) & of(x2,x3) & n_skater(x3) & card_eq_4(x2)))