the pacing is deadly , the narration helps little 
(ROOT (S (S (NP (DT the) (NN pacing)) (VP (VBZ is) (ADJP (JJ deadly)))) (, ,) (S (NP (DT the) (NN narration)) (VP (VBZ helps) (NP (JJ little))))))
(ROOT (S (S (NP (DT ) (NN )) (VP (VBZ ) (ADJP (JJ )))) (, ) (S (NP (DT ) (NN )) (VP (VBZ ) (NP (JJ ))))))