Two soccer players are playing soccer.
Two people play a game.
Soccer players are people and there are two of them.  Soccer is a game.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_soccer(x3) & n_player(x1) & of(x1,x2) & n_soccer(x2) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_game(x2) & n_people(x1) & card_eq_2(x1))