A dog is galloping through the grass.
There is a dog in the grass.
A dog galloping through the grass implies that the dog is in the grass.
exists e1 x1 x2.(n_grass(x2) & through(e1,x2) & Actor(e1,x1) & v_gallop(e1) & n_dog(x1))
exists p1 x1 x3.(n_grass(x3) & exists x2.((x1 = x2) & in(x2,x3) & n_dog(x2)))