An elderly woman playing the piano in front of a window.
A elderly woman is playing an electric guitar in a smoky club.
An elderly woman cannot simultaneously play an electric guitar and a piano.
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 e1 s1 s2 s3 x1 x2 x3.(in(e1,x3) & n_club(x3) & a_smoky(s3) & Theme(s3,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & a_electric(s2) & Theme(s2,x2) & n_woman(x1) & a_elderly(s1) & Theme(s1,x1))