The dog is carrying a toy through the grass.
Puppy was coming through the grass, holding toy.
Just because the dog is carrying a toy through the grass does not mean it is a puppy.
exists e1 x1 x2 x3.(n_grass(x3) & n_dog(x1) & through(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & n_toy(x2))
exists e2 e1 x1 x2 x3.(n_grass(x2) & ne_nam_puppy(x1) & for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_hold(e2) & n_toy(x3) & through(e1,x2) & Actor(e1,x1) & v_come(e1))