Two dogs playing in the sand at the beach.
Two cats are playing at the park
Dogs cannot be cats.
exists e1 x1 x2 x3 x4.(n_beach(x4) & n_sand(x3) & a_topic(x1) & at(e1,x4) & in(e1,x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_park(x2) & at(e1,x2) & Actor(e1,x1) & v_play(e1) & n_cat(x1) & card_eq_2(x1))