A man with a long beard playing a guitar.
A woman with a beard playing the flute.
One is either a man or a woman. An instrument is either a guitar or a flute.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & with(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_guitar(x4) & (x2 = x3) & n_beard(x2) & a_long(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(n_flute(x4) & a_topic(x1) & with(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & (x2 = x3) & n_beard(x2) & n_woman(x1))