A competition on horses on a beautiful day amongst green.
Horses in the grass.
Horses are on a competition on a beautiful day amongst green grass.
exists s1 s2 x1 x2 x3 x4.(a_topic(x1) & on(x1,x2) & on(x2,x3) & n_green(x3) & a_amongst(s2) & Theme(s2,x3) & of(x3,x4) & n_day(x4) & a_beautiful(s1) & Theme(s1,x3) & n_horse(x2) & n_competition(x1))
exists x1 x2.(n_grass(x2) & a_topic(x1) & in(x1,x2) & n_horse(x1))