years and years of costly analysis could never fix 
(ROOT (S (NP (NP (NNS years) (CC and) (NNS years)) (PP (IN of) (NP (JJ costly) (NN analysis)))) (VP (MD could) (ADVP (RB never)) (VP (VB fix)))))
(ROOT (S (NP (NP (NNS ) (CC ) (NNS )) (PP (IN ) (NP (JJ ) (NN )))) (VP (MD ) (ADVP (RB )) (VP (VB )))))