A dog with a ball in a grassy field.
dog has ball
A dog can only be with a ball if the dog has a ball.
exists s1 x1 x2 x3.(a_topic(x1) & with(x1,x2) & in(x2,x3) & n_field(x3) & a_grassy(s1) & Theme(s1,x3) & n_ball(x2) & n_dog(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_ball(x2) & n_dog(x1))