a sleeping man in a city area.
A homeless man sleeps on a bench.
All sleeping men are not homeless.  All people sleeping in a city area are not sleeping on a bench.
exists e1 x1 x2 x3.(a_topic(x1) & in(x1,x2) & n_area(x2) & of(x2,x3) & n_city(x3) & n_man(x1) & Actor(e1,x1) & v_sleep(e1))
exists e1 s1 x1 x2.(on(e1,x2) & n_bench(x2) & Actor(e1,x1) & v_sleep(e1) & n_man(x1) & a_homeless(s1) & Theme(s1,x1))