A man stands on the side of the street with his dog.
The dog is black.
The dog is not necessarily black.
exists e1 x1 x2 x3 x4.(n_dog(x4) & of(x4,x2) & n_male(x2) & n_street(x3) & n_side(x2) & with(e1,x4) & on(e1,x2) & of(x2,x3) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
exists s1 x1.(n_dog(x1) & Theme(s1,x1) & a_black(s1))