A black dog runs with a ball in its mouth.
A dog has a ball in it's mouth.
If the dog is running with a ball in its mouth, then the dog has a ball.
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_mouth(x3) & of(x3,x1) & n_thing(x1) & with(e1,x2) & n_ball(x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists e1 p1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & exists x4.((x3 = x4) & n_mouth(x4)) & (x2 = x3) & in(x2,x1) & n_thing(x1) & n_ball(x2) & n_dog(x1))