A dog wearing the number four runs in a race.
A dog wearing the number seven is running in a race.
The number seven is not the number four.
exists e1 x1 x2 x3 x4 x5.(n_run(x3) & card_eq_4(x3) & of(x3,x4) & n_number(x4) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & in(x3,x5) & n_race(x5) & (x1 = x2) & n_dog(x1))
exists e2 e1 x1 x2 x3 x4.(n_number(x3) & card_eq_7(x3) & in(e2,x4) & n_race(x4) & Actor(e2,x1) & v_run(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & (x1 = x2) & n_dog(x1))