A homeless man asleep on a sidewalk.
A man is snoring.
Sleeping is not always accompanied by snoring
exists s1 x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_sidewalk(x3) & n_asleep(x1) & of(x1,x2) & n_man(x2) & a_homeless(s1) & Theme(s1,x1))
exists e1 x1.(Actor(e1,x1) & v_snore(e1) & n_man(x1))