Woman singing at a bar.
The woman is doing karaoke.
The woman singing in a bar does not mean she was doing karaoke.
exists x1 x2 x3.(a_topic(x1) & at(x1,x3) & n_bar(x3) & n_singing(x1) & (x1 = x2) & ne_nam_woman(x2))
exists e1 x1 x2.(n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_karaoke(x2))