A woman poses against an autumn background.
The woman is getting ready to have professional pictures taken.
A woman posing against a background is not necessarily getting ready to have professional pictures taken; she may have already started having pictures taken, or the pictures may not be professional.
exists e1 x1 x2 x3.(against(e1,x2) & n_background(x2) & of(x2,x3) & n_autumn(x3) & Actor(e1,x1) & v_pose(e1) & n_woman(x1))
exists e1 p1 x1.(n_woman(x1) & exists p2 s1.(Topic(s1,p2) & Actor(s1,x1) & a_ready(s1) & exists e2 e3 s2 x2 x3.(Theme(e3,x2) & Actor(e3,x1) & v_have(e3) & Theme(e2,x3) & v_take(e2) & (x2 = x3) & n_picture(x2) & a_professional(s2) & Theme(s2,x2))) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1))