Two dogs are playing on the beach together.
Animals are on the beach.
Animals would mean more than one animal such as two dogs.
exists e1 s1 x1 x2.(n_beach(x2) & a_together(s1) & Manner(e1,s1) & on(e1,x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & card_eq_2(x1))
exists p1 x1 x2.(n_beach(x2) & on(x1,x2) & n_animal(x1))