A black dog holds a tire and a ball in his mouth as another follows him.
Both of the dogs are black.
One dog is black, but the other dog could be any color.
exists e1 p1 s1 x1 x2 x3 x4 x5.(exists e2 x6.(Theme(e2,x1) & Actor(e2,x6) & v_follow(e2) & n_thing(x6)) & n_male(x1) & n_male(x1) & as(e1,p1) & in(e1,x5) & n_mouth(x5) & of(x5,x1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & subset_of(x4,x2) & n_ball(x4) & subset_of(x3,x2) & n_tire(x3) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists s1 x1 x2.(n_dog(x2) & Theme(s1,x1) & a_black(s1) & of(x1,x2) & n_thing(x1))