Four people with black hair pose for a picture with windows in the background.
Four friends pose for a photograph outside the Sears Tower.
Just because there are four people together does not mean they are friends.  They are not necessarily at the Sears Tower.
exists e1 s1 x1 x2 x3 x4 x5.(n_background(x5) & for(e1,x3) & with(x3,x4) & in(x4,x5) & n_window(x4) & n_picture(x3) & Actor(e1,x1) & v_pose(e1) & with(x1,x2) & n_hair(x2) & a_black(s1) & Theme(s1,x2) & n_people(x1) & card_eq_4(x1))
exists e1 x1 x2 x3 x4.(ne_org_tower(x3) & (x3 = x4) & ne_org_sears(x4) & for(e1,x2) & outside(x2,x3) & n_photograph(x2) & Actor(e1,x1) & v_pose(e1) & n_friend(x1) & card_eq_4(x1))