An elderly woman playing the piano in front of a window.
The woman is at home.
Playing in front of a window does not imply being at home.
exists e1 s1 x1 x2 x3 x4 x5.(n_piano(x3) & a_topic(x1) & in(e1,x4) & of(x4,x5) & n_window(x5) & n_front(x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_woman(x1) & a_elderly(s1) & Theme(s1,x1))
exists p1 x1.(n_woman(x1) & exists x2.(at(x1,x2) & n_home(x2)))