Man in black shirt plays silver electric guitar.
A man is playing on a banjo.
electric guitar and banjo are different instruments
exists e1 s1 s2 s3 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_guitar(x3) & a_electric(s3) & Theme(s3,x3) & a_silver(s2) & Theme(s2,x3) & in(x1,x2) & n_shirt(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(on(e1,x2) & n_banjo(x2) & Actor(e1,x1) & v_play(e1) & n_man(x1))