Man seated on a bus looking out the window at pedestrians.
Man sits on bus and looks out window.
A man on a bus (ie. inside an object) looking out means that the man would have to look out of the object's windows to see other things.
exists e2 e1 s1 x1 x2 x3 x4.(n_window(x4) & for(e1,e2) & Time(e2,x4) & a_out(s1) & Manner(e2,s1) & at(e2,x3) & n_pedestrian(x3) & Actor(e2,x1) & v_look(e2) & on(e1,x2) & n_bus(x2) & Actor(e1,x1) & v_seat(e1) & n_man(x1))
exists e2 e1 s1 x1 x2 x3.(ne_nam_man(x1) & a_out(s1) & Manner(e2,s1) & Theme(e2,x3) & Actor(e2,x1) & v_look(e2) & n_window(x3) & on(e1,x2) & n_bus(x2) & Actor(e1,x1) & v_sit(e1))