it should have ditched the artsy pretensions and revelled in the entertaining shallows . 
(ROOT (S (NP (PRP it)) (VP (MD should) (VP (VB have) (VP (VP (VBN ditched) (NP (DT the) (JJ artsy) (NNS pretensions))) (CC and) (VP (VBN revelled) (PP (IN in) (NP (DT the) (VBG entertaining) (NNS shallows))))))) (. .)))
(ROOT (S (NP (PRP )) (VP (MD ) (VP (VB ) (VP (VP (VBN ) (NP (DT ) (JJ ) (NNS ))) (CC ) (VP (VBN ) (PP (IN ) (NP (DT ) (VBG ) (NNS ))))))) (. )))