delivers a powerful commentary on how governments lie , 
(ROOT (S (VP (VBZ delivers) (NP (NP (DT a) (JJ powerful) (NN commentary)) (PP (IN on) (SBAR (WHADVP (WRB how)) (S (NP (NNS governments)) (VP (VBP lie))))))) (, ,)))
(ROOT (S (VP (VBZ ) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (SBAR (WHADVP (WRB )) (S (NP (NNS )) (VP (VBP ))))))) (, )))