The two dogs are walking past each other on a beach
Some dogs are on a beach.
Some implies two or more.
exists e1 x1 x2.(n_dog(x1) & card_eq_2(x1) & on(e1,x2) & n_beach(x2) & all x3.(n_other(x3) -> past(e1,x3)) & Actor(e1,x1) & v_walk(e1))
exists p1 x1.(exists x2.(on(x1,x2) & n_beach(x2)) & n_dog(x1))