Two dogs meeting on the beach.
Two dogs that are friends.
Meeting does not mean they are friends.
exists e1 x1 x2.(n_beach(x2) & on(e1,x2) & Actor(e1,x1) & v_meet(e1) & n_dog(x1) & card_eq_2(x1))
exists p1 x1 x2.(a_topic(x1) & exists x3.((x2 = x3) & n_friend(x3)) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))