A man leans against a street post behind a large, green mask.
The man is not laying down on the ground.
A man leans against a street post means he is not laying down.
exists e1 s1 s2 s3 x1 x2 x3 x4.(against(e1,x2) & behind(x2,x4) & n_mask(x4) & a_green(s3) & Theme(s3,x4) & a_,(s2) & Theme(s2,x4) & a_large(s1) & Theme(s1,x4) & n_post(x2) & of(x2,x3) & n_street(x3) & Actor(e1,x1) & v_lean(e1) & n_man(x1))
exists x1 x2.(n_ground(x2) & n_man(x1) & -exists e1 s1.(on(e1,x2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_lay(e1)))