People on a walkway look over the rails at a man standing at edge of a canal.
People stand on a train platform waiting to board.
The people look over the rails they are not waiting to board a train.
exists x1 x2 x3 x4 x5 x6 x7 x8.(n_rail(x4) & a_topic(x1) & of(x1,x8) & n_canal(x8) & on(x1,x2) & over(x2,x4) & at(x4,x5) & at(x5,x7) & n_edge(x7) & n_standing(x5) & of(x5,x6) & n_man(x6) & n_look(x2) & of(x2,x3) & n_walkway(x3) & n_people(x1))
exists e1 e2 x1 x2 x3 x4.(for(e1,e2) & to(e2,x4) & n_board(x4) & Actor(e2,x1) & v_wait(e2) & on(e1,x2) & n_platform(x2) & of(x2,x3) & n_train(x3) & Actor(e1,x1) & v_stand(e1) & n_people(x1))