A man under colorful stage lights playing a guitar.
A man plays an electric guitar.
Just because a man under colorful stage lights playing a guitar does not imply that he plays an electric guitar.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & under(x1,x2) & Theme(e1,x5) & Actor(e1,x4) & v_play(e1) & n_guitar(x5) & (x2 = x4) & n_light(x2) & of(x2,x3) & n_stage(x3) & a_colorful(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & a_electric(s1) & Theme(s1,x2) & n_man(x1))