The dog does an obstacle course with his trainer.
The dog is in first place.
Simply doing the obstacle course does not guarantee you'll be in first place.
exists e1 x1 x2 x3 x4.(n_trainer(x4) & of(x4,x1) & n_male(x1) & n_dog(x1) & with(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_course(x2) & of(x2,x3) & n_obstacle(x3))
exists p1 x1.(n_dog(x1) & exists s1 x2.(in(x1,x2) & n_place(x2) & a_first(s1) & Theme(s1,x2)))