A man is playing the accordion.
The woman is playing the flute.
Either man or woman. Either flute or accordion.
exists e1 x1 x2.(n_accordion(x2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_man(x1))
exists e1 x1 x2.(n_flute(x2) & n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1))