A depressed man sitting on a subway train.
A man is sitting on the subway train looking depressed.
A depressed man can be called a man looking depressed while sitting on the subway train.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & n_train(x3) & of(x3,x4) & n_subway(x4) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1) & a_depressed(s1) & Theme(s1,x1))
exists e2 e1 p1 x1 x2 x3.(n_train(x2) & of(x2,x3) & n_subway(x3) & for(e1,e2) & exists s1.(Theme(s1,x1) & a_depressed(s1)) & Topic(e2,p1) & Actor(e2,x1) & v_look(e2) & on(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))