A man with a beard, and wearing sunglasses, is playing the drums.
A man is playing an instrument.
A man is playing an instrument because he is playing  the drums.
exists e2 e1 x1 x2 x3 x4 x5 x6.(n_drum(x6) & Theme(e2,x6) & Actor(e2,x1) & v_play(e2) & subset_of(e1,x1) & Theme(e1,x5) & Actor(e1,x4) & v_wear(e1) & n_sunglass(x5) & n_thing(x4) & subset_of(x2,x1) & with(x2,x3) & n_beard(x3) & n_man(x2))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_instrument(x2) & n_man(x1))