a dog runs in the water with a tennis ball in its mouth.
A dog has a ball.
A dog can only be having a ball in its  mouth.
exists e1 x1 x2 x3 x4 x5.(n_mouth(x5) & of(x5,x2) & n_thing(x2) & n_water(x2) & with(e1,x3) & in(x3,x5) & n_ball(x3) & of(x3,x4) & n_tennis(x4) & in(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_ball(x2) & n_dog(x1))