Two dogs playing with a tennis ball
The dogs have a green ball.
A tennis ball is green. If dogs are playing with a tennis ball, they are playing with a green ball.
exists e1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x3) & n_ball(x3) & of(x3,x4) & n_tennis(x4) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_ball(x2) & a_green(s1) & Theme(s1,x2))