Two young girls pose smiling for a picture with a Christmas tree behind them.
Sisters having their picture taken for the family Christmas card.
Just because two young girls pose for a picture does not imply they are sisters.
exists e1 p1 s1 x1.(exists e2 x2 x3 x4.(for(e2,x2) & with(x2,x3) & behind(x3,x1) & n_tree(x3) & (x3 = x4) & ne_tim_christmas(x4) & n_picture(x2) & Actor(e2,x1) & v_smile(e2)) & n_thing(x1) & Topic(e1,p1) & Actor(e1,x1) & v_pose(e1) & n_girl(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e2 e1 x1 x2 x3 x4 x5 x6 x7.(n_card(x5) & (x5 = x7) & ne_tim_christmas(x7) & of(x5,x6) & n_family(x6) & a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_have(e2) & for(e1,x5) & Theme(e1,x4) & v_take(e1) & (x3 = x4) & n_picture(x3) & of(x3,x1) & n_thing(x1) & (x1 = x2) & n_sister(x1))