Two adult couples are placing their bets on a casino table.
Two adult couples are betting on a game of keno on the casino table.
Just because the couple are placing bets at a casino, it doesn't mean the game they have chosen is keno.
exists e1 s1 x1 x2 x3 x4.(on(e1,x3) & n_table(x3) & of(x3,x4) & n_casino(x4) & Theme(e1,x2) & Actor(e1,x1) & v_place(e1) & n_bet(x2) & of(x2,x1) & n_thing(x1) & n_couple(x1) & a_adult(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4 x5.(n_table(x4) & of(x4,x5) & n_casino(x5) & on(e1,x2) & of(x2,x3) & on(x3,x4) & n_keno(x3) & n_game(x2) & Actor(e1,x1) & v_bet(e1) & n_couple(x1) & a_adult(s1) & Theme(s1,x1) & card_eq_2(x1))