A jockey in blue on a race horse trails behind the jockey in orange.
A jockey is standing next to his horse.
The jockey could not be standing if he trails behind a horse.
exists x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(x1,x2) & on(x2,x3) & behind(x3,x1) & in(x1,x6) & n_orange(x6) & n_jockey(x1) & n_jockey(x1) & n_trail(x3) & of(x3,x5) & n_horse(x5) & of(x3,x4) & n_race(x4) & n_blue(x2))
exists e1 x1 x2.(to(e1,x2) & n_horse(x2) & of(x2,x1) & n_male(x1) & r_next(e1) & Actor(e1,x1) & v_stand(e1) & n_jockey(x1))