Man sleeping on an old couch in an alley.
A man is sleeping.
The man is sleeping because he's sleeping on an old couch.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & in(x3,x4) & n_alley(x4) & n_couch(x3) & a_old(s1) & Theme(s1,x3) & Actor(e1,x2) & v_sleep(e1) & (x1 = x2) & n_man(x1))
exists e1 x1.(Actor(e1,x1) & v_sleep(e1) & n_man(x1))