Three dogs on a sidewalk.
There are three dogs on a sidewalk waiting for their owner.
Not all dogs have an owner.
exists x1 x2.(a_topic(x1) & on(x1,x2) & n_sidewalk(x2) & n_dog(x1) & card_eq_3(x1))
exists p1 x1 e1 x2 x3 x4 x5.((x1 = x2) & on(x2,x3) & for(e1,x5) & n_owner(x5) & of(x5,x2) & n_thing(x2) & Actor(e1,x4) & v_wait(e1) & (x3 = x4) & n_sidewalk(x3) & n_dog(x2) & card_eq_3(x2))