Two men play a game while others watch.
Two men are playing poker
Just because two men pay a game does not necessarily mean that game is poker.
exists e1 p1 x1 x2.(exists e2 x3.(Actor(e2,x3) & v_watch(e2) & -(x3 = x1) & n_person(x3)) & n_person(x1) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_game(x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_poker(x2) & n_man(x1) & card_eq_2(x1))