Two dogs running on land along the water.
two cats fighting
Two dogs cannot be two cats.
exists e1 x1 x2 x3 x4.(n_water(x4) & a_topic(x1) & on(e1,x3) & along(x3,x4) & n_land(x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_fight(e1) & (x1 = x2) & n_cat(x1) & card_eq_2(x1))