Man painting on the street.
A man painting a picture on a deserted street.
A man can be painting anything and not necessarily a picture. A man can paint on a street even if the street isn't deserted.
exists x1 x2 x3.(n_street(x3) & a_topic(x1) & on(x1,x3) & n_painting(x1) & of(x1,x2) & n_man(x2))
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_paint(e1) & on(x3,x4) & n_street(x4) & a_deserted(s1) & Theme(s1,x4) & n_picture(x3) & (x1 = x2) & n_man(x1))