A man without a shirt is sitting in a black chair on a crowded sidewalk.
There is a topless man on the sidwalk.
A shirt is a top, if you are not wearing a shirt you are topless, if you are not wearing a top you are shirtless, same thing.
exists e1 s1 s2 x1 x2 x3.(on(e1,x3) & n_sidewalk(x3) & a_crowded(s2) & Theme(s2,x3) & in(e1,x2) & n_chair(x2) & a_black(s1) & Theme(s1,x2) & Actor(e1,x1) & v_sit(e1) & -exists x4.(with(x1,x4) & n_shirt(x4)) & n_man(x1))
exists p1 x1 x3.(n_sidwalk(x3) & exists s1 x2.((x1 = x2) & on(x2,x3) & n_man(x2) & a_topless(s1) & Theme(s1,x2)))