Two teenage girls, one is smiling.
A girl is not smiling.
The Expression of the girl as smiling or not smiling is in consequence of first sentence.
exists e1 s1 x1 x2.(rel(e1,x2) & n_girl(x2) & a_teenage(s1) & Theme(s1,x2) & card_eq_2(x2) & Actor(e1,x1) & v_smile(e1) & n_thing(x1) & card_eq_1(x1))
exists x1.(-exists e1.(Actor(e1,x1) & v_smile(e1)) & n_girl(x1))