Two guys and two girls are playing a casino game.
Two guys and two girls are on a double date.
Playing a casino games does not mean they are on a double date.
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x4) & Actor(e1,x1) & v_play(e1) & n_game(x4) & of(x4,x5) & n_casino(x5) & subset_of(x3,x1) & n_girl(x3) & card_eq_2(x3) & subset_of(x2,x1) & n_guy(x2) & card_eq_2(x2))
exists p1 x1 x2 x3.(exists s1 x4.(on(x1,x4) & n_date(x4) & a_double(s1) & Theme(s1,x4)) & subset_of(x3,x1) & n_girl(x3) & card_eq_2(x3) & subset_of(x2,x1) & n_guy(x2) & card_eq_2(x2))