A man through the window of a train car.
A man is in a train car.
A man is in a train car if he is looking through a window.
exists x1 x2 x3 x4.(n_window(x2) & a_topic(x1) & through(x1,x2) & of(x2,x3) & n_car(x3) & of(x3,x4) & n_train(x4) & n_man(x1))
exists p1 x1.(exists x2 x3.(in(x1,x2) & n_car(x2) & of(x2,x3) & n_train(x3)) & n_man(x1))