The lady with the dark shades on is in a conversation with her friends.
The woman is wearing bifocals.
Dark shades are a different kind of eyewear than bifocals.
exists p1 s1 s2 x1 x2 x3 x5.(n_friend(x5) & of(x5,x2) & n_female(x2) & n_shades(x2) & a_dark(s1) & Theme(s1,x2) & n_lady(x1) & exists x4.(in(x1,x4) & with(x4,x5) & n_conversation(x4)) & with(x1,x2) & Theme(s2,x3) & a_on(s2) & (x2 = x3))
exists e1 x1 x2.(n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_bifocals(x2))