A woman is smiling as she plays around with another woman.
The other woman frowns at the smiling woman.
If the women are playing around, one does not frown.
exists e1 p1 x1.(exists e2 s1 x2.(a_around(s1) & Manner(e2,s1) & with(e2,x2) & n_woman(x2) & -(x2 = x1) & Actor(e2,x1) & v_play(e2)) & n_woman(x1) & n_woman(x1) & n_female(x1) & as(e1,p1) & Actor(e1,x1) & v_smile(e1))
exists e1 x1 x2 x3.(n_woman(x2) & n_woman(x2) & Actor(e1,x2) & v_smile(e1) & -(x1 = x1) & n_frown(x1) & of(x1,x3) & n_woman(x3) & of(x1,x2) & a_topic(x1) & at(x1,x2))