A girl rides a horse.
A girl rides a horse in competion and approaches the first jump.
It cannot be inferred that the girl and horse are in a competition or about to approach their first jump.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_horse(x2) & n_girl(x1))
exists e1 e2 s1 x1 x2 x3 x4 x5.(n_jump(x5) & a_first(s1) & Theme(s1,x5) & Theme(e2,x5) & Actor(e2,x4) & v_approach(e2) & n_girl(x4) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & in(x2,x3) & n_competion(x3) & n_horse(x2) & n_girl(x1))