Two dogs are running on a beach.
Two dogs chasing a receding wave.
Just because they are running doesn't mean they are chasing a wave.
exists e1 x1 x2.(on(e1,x2) & n_beach(x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_chase(e1) & n_wave(x3) & of(x3,x4) & n_receding(x4) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))