Two people playing a game in an arcade.
The two people are playing Pac-Man.
Not all arcade game is Pac-Man.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_arcade(x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_game(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_people(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_pac-man(x2))