Three ladies play in the sand.
Three ladies are at the beach.
Ladies in the sand does not necessarily mean at the beach.
exists e1 x1 x2.(n_sand(x2) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_lady(x1) & card_eq_3(x1))
exists p1 x1 x2.(n_beach(x2) & at(x1,x2) & n_lady(x1) & card_eq_3(x1))