a girl stands in the train tracks.
A girl is taking pictures by the train tracks
Stands in tracks does not imply taking pictures.
exists e1 x1 x2 x3.(n_track(x2) & of(x2,x3) & n_train(x3) & in(e1,x2) & Actor(e1,x1) & v_stand(e1) & n_girl(x1))
exists e1 x1 x2 x3 x4.(n_track(x3) & of(x3,x4) & n_train(x4) & by(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_picture(x2) & n_girl(x1))