has cheapened the artistry of making a film 
(ROOT (VP (VBZ has) (VP (VBN cheapened) (NP (NP (DT the) (NN artistry)) (PP (IN of) (S (VP (VBG making) (NP (DT a) (NN film)))))))))
(ROOT (VP (VBZ ) (VP (VBN ) (NP (NP (DT ) (NN )) (PP (IN ) (S (VP (VBG ) (NP (DT ) (NN )))))))))