Two people in green sit in an otherwise empty stadium.
The stadium is empty because there is no game.
Empty stadium does not necessarily mean no game.
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_stadium(x3) & a_empty(s1) & Theme(s1,x3) & r_otherwise(x3) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_green(x2) & n_people(x1) & card_eq_2(x1))
exists p1 s1 x1.(n_stadium(x1) & exists p2 x2.-exists x3.((x2 = x3) & n_game(x3)) & because(s1,p1) & Theme(s1,x1) & a_empty(s1))