A young girl on a swing.
A young girl is on a swing at the park.
Not every swing is at the park.
exists s1 x1 x2.(a_topic(x1) & on(x1,x2) & n_swing(x2) & n_girl(x1) & a_young(s1) & Theme(s1,x1))
exists p1 s1 x1 x3.(n_park(x3) & exists x2.(on(x1,x2) & at(x2,x3) & n_swing(x2)) & n_girl(x1) & a_young(s1) & Theme(s1,x1))