The girl is sitting on a swing.
She is in a park.
Not all swings are at a park.
exists e1 x1 x2.(n_girl(x1) & on(e1,x2) & n_swing(x2) & Actor(e1,x1) & v_sit(e1))
exists p1 x1.(n_female(x1) & exists x2.(in(x1,x2) & n_park(x2)))