Three black dogs play on sand outside.
Dogs are playing on the beach.
You cant infer that the sand theyre playing on is at a beach
exists e1 s1 x1 x2 x3.(on(e1,x2) & n_outside(x2) & of(x2,x3) & n_sand(x3) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1) & card_eq_3(x1))
exists e1 x1 x2.(n_beach(x2) & on(e1,x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1))