Punk musician with a guitar pouts at the camera from his position on the stage.
A punk musician performs on a stage.
if there is a musician with a guitar on stage, it follows that they are performing.
exists e1 x1 x2 x3 x4 x5 x6.(n_stage(x6) & n_position(x5) & of(x5,x4) & n_male(x4) & n_camera(x4) & at(e1,x4) & from(x4,x5) & on(x5,x6) & Actor(e1,x1) & v_pout(e1) & with(x1,x3) & n_guitar(x3) & n_musician(x1) & (x1 = x2) & ne_nam_punk(x2))
exists e1 x1 x2 x3.(on(e1,x3) & n_stage(x3) & Actor(e1,x1) & v_perform(e1) & n_musician(x1) & of(x1,x2) & n_punk(x2))