The dog is carrying a toy through the grass.
A dog carrying a squeaky toy through grass.
Just because the dog is carrying a toy through the grass does not mean the toy is squeaky.
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 e1 s1 x1 x2 x3 x4.(a_topic(x1) & through(e1,x4) & n_grass(x4) & Theme(e1,x3) & Actor(e1,x2) & v_carry(e1) & n_toy(x3) & a_squeaky(s1) & Theme(s1,x3) & (x1 = x2) & n_dog(x1))