A man sits on a small chair on a sidewalk.
The man is sitting on a small chair on a crowded sidewalk.
Just because a man is sitting on a sidewalk doesn't mean it's crowded.
exists e1 s1 x1 x2 x3.(on(e1,x3) & n_sidewalk(x3) & on(e1,x2) & n_chair(x2) & a_small(s1) & Theme(s1,x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e1 s1 s2 x1 x2 x3.(n_man(x1) & on(e1,x3) & n_sidewalk(x3) & a_crowded(s2) & Theme(s2,x3) & on(e1,x2) & n_chair(x2) & a_small(s1) & Theme(s1,x2) & Actor(e1,x1) & v_sit(e1))