The girl with the green tank top and gray shorts is standing in the middle of the empty railroad track.
A girl stands in the middle of a typically used train track
The girl standing in the middle of the empty railroad track isn't necessarily on a typically used train track.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8.(n_track(x7) & of(x7,x8) & n_railroad(x8) & a_empty(s3) & Theme(s3,x7) & n_middle(x6) & n_shorts(x4) & a_gray(s2) & Theme(s2,x4) & n_top(x3) & of(x3,x5) & n_tank(x5) & subset_of(x4,x2) & subset_of(x3,x2) & a_green(s1) & Theme(s1,x2) & n_girl(x1) & in(e1,x6) & of(x6,x7) & Actor(e1,x1) & v_stand(e1) & with(x1,x2))
exists e1 e2 x1 x2 x3 x4.(n_middle(x2) & in(e1,x2) & of(x2,x3) & n_track(x3) & of(x3,x4) & n_train(x4) & Theme(e2,x3) & v_use(e2) & r_typically(x3) & Actor(e1,x1) & v_stand(e1) & n_girl(x1))