a lot of people playing games at an arcade
There was a lot of games being played at the arcade.
A lot of people are playing the games at an arcade but that doesn't necessarily mean there are a lot of games to be played.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & at(e1,x5) & n_arcade(x5) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_game(x4) & (x2 = x3) & n_people(x2) & n_lot(x1))
exists p1 x1 x5.(n_arcade(x5) & exists e1 x2 x3 x4.((x1 = x2) & of(x2,x3) & at(e1,x5) & Theme(e1,x4) & v_play(e1) & (x3 = x4) & n_game(x3) & n_lot(x2)))