Two dogs play in the water under a bridge.
Two dogs are racing over a bridge.
Under and over are opposite states of being.
exists x1 x2 x3 x4.(n_water(x3) & a_topic(x1) & under(x1,x4) & n_bridge(x4) & in(x1,x3) & n_play(x1) & of(x1,x2) & n_dog(x2) & card_eq_2(x1))
exists e1 x1 x2.(over(e1,x2) & n_bridge(x2) & Actor(e1,x1) & v_race(e1) & n_dog(x1) & card_eq_2(x1))