Two people in white shirts are gripping a rail bar, one is squatting top and the other is standing.
Two sprinters are jumping over hurdles on the track as they compete in a race.
One cannot be gripping a rail bar and jumping over hurdles simultaneously.
exists e1 e3 e2 p1 s1 x1 x2 x3 x4 x5 x6.(n_other(x6) & Actor(e3,x6) & v_stand(e3) & exists s2.(Theme(s2,x5) & a_top(s2)) & Topic(e2,p1) & Actor(e2,x5) & v_squat(e2) & n_thing(x5) & card_eq_1(x5) & Theme(e1,x3) & Actor(e1,x1) & v_grip(e1) & n_bar(x3) & of(x3,x4) & n_rail(x4) & in(x1,x2) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_people(x1) & card_eq_2(x1))
exists e1 p1 x1 x2 x3.(n_thing(x3) & n_track(x3) & exists e2 x4.(in(e2,x4) & n_race(x4) & Actor(e2,x3) & v_compete(e2)) & as(e1,p1) & on(e1,x3) & over(e1,x2) & n_hurdle(x2) & Actor(e1,x1) & v_jump(e1) & n_sprinter(x1) & card_eq_2(x1))