Dog walking with his lease in his mouth.
a dog is walking with his owner
You can't infer it's his owner
exists x1 x2 x3 x4.(a_topic(x1) & with(x1,x3) & in(x3,x4) & n_mouth(x4) & of(x4,x1) & n_male(x1) & n_male(x1) & n_lease(x3) & of(x3,x1) & n_walking(x1) & (x1 = x2) & ne_nam_dog(x2))
exists e1 x1 x2.(with(e1,x2) & n_owner(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_walk(e1) & n_dog(x1))