Two small dogs are chasing a ball.
Two adult St. Bernards are chasing a ball.
Adult St. Bernards are not classified as small dogs.
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_ball(x2) & n_dog(x1) & a_small(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(ne_geo_bernards(x1) & (x1 = x3) & ne_geo_st.(x3) & of(x1,x2) & n_adult(x2) & card_eq_2(x1) & Theme(e1,x4) & Actor(e1,x1) & v_chase(e1) & n_ball(x4))