A man in sunglasses playing the drums on a street corner.
A blind man plays guitar.
A man playing the drums can't also be playing guitar.
exists e1 x1 x2 x3 x4 x5 x6.(n_drum(x4) & a_topic(x1) & in(x1,x2) & on(e1,x5) & n_corner(x5) & of(x5,x6) & n_street(x6) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & (x2 = x3) & n_sunglass(x2) & n_man(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & n_man(x1) & a_blind(s1) & Theme(s1,x1))