a girl on a horse trying to catch a bull with a rope
A girl is on a horse.
A girl is on a horse is the same as a girl on a horse.
exists e1 p1 x1 x2 x3.(a_topic(x1) & on(x1,x2) & Topic(e1,p1) & Actor(e1,x3) & v_try(e1) & exists e2 x4 x5.(with(e2,x5) & n_rope(x5) & Theme(e2,x4) & Actor(e2,x3) & v_catch(e2) & n_bull(x4)) & (x2 = x3) & n_horse(x2) & n_girl(x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_horse(x2)) & n_girl(x1))