Men race on bicycles on track.
Men race on bicycles on the race track.
Not all tracks are a race track.
exists x1 x2 x3 x4.(a_topic(x1) & on(x1,x3) & on(x3,x4) & n_track(x4) & n_bicycle(x3) & n_race(x1) & of(x1,x2) & n_man(x2))
exists x1 x2 x3 x4.(a_topic(x1) & on(x1,x3) & on(x3,x4) & n_track(x4) & of(x4,x1) & n_race(x1) & n_race(x1) & n_bicycle(x3) & of(x1,x2) & n_man(x2))