A man in a jacket is standing on a bus.
A man waits for the next stop on the bus.
A man can be standing on a bus for any reason and not just if he waits for the next stop.
exists e1 x1 x2 x3.(on(e1,x3) & n_bus(x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_jacket(x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(n_bus(x3) & n_stop(x2) & a_next(s1) & Theme(s1,x2) & for(e1,x2) & on(x2,x3) & Actor(e1,x1) & v_wait(e1) & n_man(x1))