A band playing at an event in a park.
They are all females.
Just because a band playing at an event doesn't needed to be a females
exists x1 x2 x3 x4.(a_topic(x1) & in(x1,x4) & n_park(x4) & at(x1,x3) & n_event(x3) & n_playing(x1) & of(x1,x2) & n_band(x2))
exists p1 x1.(n_thing(x1) & all x2.(n_female(x2) -> (x1 = x2)))