A man in a bright yellow shirt plays his guitar as another man plays the drums in the background.
the men are black
The men could be of any race, being a musician doesn't imply that they are black.
exists e1 p1 s1 s2 x1 x2 x3 x5 x6.(n_background(x6) & n_drum(x5) & exists e2 x4.(in(e2,x6) & Theme(e2,x5) & Actor(e2,x4) & v_play(e2) & n_man(x4) & -(x4 = x1)) & n_man(x1) & n_man(x1) & as(e1,p1) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_guitar(x3) & of(x3,x1) & n_male(x1) & in(x1,x2) & n_shirt(x2) & a_yellow(s2) & Theme(s2,x2) & a_bright(s1) & Theme(s1,x2))
exists s1 x1.(n_man(x1) & Theme(s1,x1) & a_black(s1))