A man standing next an older silver van.
a man sleeps on a bus
The man is either standing or sleeping, and he is either by a van or on a bus.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & next(e1,x3) & n_van(x3) & of(x3,x4) & n_silver(x4) & r_more(s1) & a_older(s1) & Theme(s1,x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(on(e1,x2) & n_bus(x2) & Actor(e1,x1) & v_sleep(e1) & n_man(x1))