Three boys are running on the beach playing a game.
The boys are wearing sandals.
Not all boys running on the beach are wearing sandals.
exists e2 e1 x1 x2 x3.(n_beach(x2) & for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_play(e2) & n_game(x3) & on(e1,x2) & Actor(e1,x1) & v_run(e1) & n_boy(x1) & card_eq_3(x1))
exists e1 x1 x2.(n_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_sandal(x2))