a gray dog walking on a leash in some grass
A gray dog is being walked by its owner in the grass.
Just because the dog is walking on a leash does not mean it is being walked by it's owner.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_grass(x4) & on(e1,x3) & n_leash(x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_dog(x1) & a_gray(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(n_grass(x3) & Actor(e1,x2) & in(x2,x3) & n_owner(x2) & of(x2,x1) & n_thing(x1) & Theme(e1,x1) & v_walk(e1) & n_dog(x1) & a_gray(s1) & Theme(s1,x1))