Blond-haired couple posing for picture.
The couple are inside.
A couple can pose for picture anywhere, it is not implied that they must be inside.
exists e1 s1 x1 x2 x3.(a_topic(x1) & for(e1,x3) & n_picture(x3) & Actor(e1,x2) & v_pose(e1) & (x1 = x2) & n_couple(x1) & a_blond-haired(s1) & Theme(s1,x1))
exists e1 s1 x1.(n_couple(x1) & a_inside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_be(e1))