A man laying on a sidewalk.
The man is homeless.
A man lying on a sidewalk is not always homeless.
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_sidewalk(x3) & Actor(e1,x2) & v_lay(e1) & (x1 = x2) & n_man(x1))
exists s1 x1.(n_man(x1) & Theme(s1,x1) & a_homeless(s1))