A game on women volleyball in a gymnasium.
There are women in the gymnasium.
A game on women volleyball implies that there are women playing the game.
exists x1 x2 x3 x4.(a_topic(x1) & on(x1,x2) & in(x2,x4) & n_gymnasium(x4) & n_volleyball(x2) & of(x2,x3) & n_woman(x3) & n_game(x1))
exists p1 x1 x2.(n_gymnasium(x2) & in(p1,x2) & exists x3.((x1 = x3) & n_woman(x3)))