A man with glasses is playing an electric guitar.
There is a girl that is playing the flute.
The person cannot be a man and a girl at the same time.
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_guitar(x3) & a_electric(s1) & Theme(s1,x3) & with(x1,x2) & n_glass(x2) & n_man(x1))
exists p1 x1 x4.(n_flute(x4) & exists e1 x2 x3.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & (x2 = x3) & n_girl(x2)))