A man in a black shirt plays a black-colored guitar.
An old woman wearing a robe plays a fiddle.
A man is not a woman, a shirt is not a robe, and a guitar is not a fiddle.
exists e1 s1 s2 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_guitar(x3) & a_black-colored(s2) & Theme(s2,x3) & in(x1,x2) & n_shirt(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))
exists e1 e2 s1 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_play(e2) & n_fiddle(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_robe(x3) & (x1 = x2) & n_woman(x1) & a_old(s1) & Theme(s1,x1))