A man playing a guitar on stage under red light.
The man is playing an Elvis song.
the man with the guitar may not be playing Elvis
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & under(e1,x5) & n_light(x5) & a_red(s1) & Theme(s1,x5) & on(e1,x4) & n_stage(x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_guitar(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_song(x2) & (x2 = x3) & ne_org_elvis(x3))