Two dogs playing next to rocks.
Dogs napping on grass.
One cannot be playing and napping at the same time.
exists e1 x1 x2 x3.(a_topic(x1) & to(e1,x3) & n_rock(x3) & r_next(e1) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_grass(x3) & Actor(e1,x2) & v_nap(e1) & (x1 = x2) & n_dog(x1))