The girl with the green tank top and gray shorts is standing in the middle of the empty railroad track.
the girl has gone mad
The fact that the girl is standing in the middle of the empty railroad track doesn't imply she has gone mad.
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 p1 x1.(n_girl(x1) & exists s1.(Theme(s1,x1) & a_mad(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_go(e1))