A man with a ski mask, dressed all in black, plays guitar.
A man dressed in black plays a guitar.
Dressed all in black and dressed in black mean the man is wearing black.
exists e2 e1 s1 s2 x1 x2 x3 x4 x5.(Theme(e2,x5) & Actor(e2,x1) & v_play(e2) & n_guitar(x5) & with(x1,x2) & in(e1,s2) & Theme(s2,x4) & a_black(s2) & a_all(s1) & Manner(e1,s1) & Theme(e1,x4) & v_dress(e1) & (x2 = x4) & n_mask(x2) & of(x2,x3) & n_ski(x3) & n_man(x1))
exists e1 x1 x2.(a_topic(x1) & all x3.(n_guitar(x3) -> exists s1 x4.(in(e1,x4) & for(x4,x3) & n_play(x4) & a_black(s1) & Theme(s1,x4))) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_man(x1))