A black dog carries a green toy in his mouth as he walks through the grass.
A dog with a toy is walking in the grass.
dog carries a green toy in his mouth as he walks through the grass is same as dog with a toy is walking in the grass
exists e1 p1 s1 s2 x1 x2 x3 x4.(n_grass(x4) & exists e2.(through(e2,x4) & Actor(e2,x1) & v_walk(e2)) & n_male(x1) & n_male(x1) & as(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & in(x2,x3) & n_mouth(x3) & of(x3,x1) & n_toy(x2) & a_green(s2) & Theme(s2,x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_grass(x3) & in(e1,x3) & Actor(e1,x1) & v_walk(e1) & with(x1,x2) & n_toy(x2) & n_dog(x1))