there are flaws , but also stretches of impact and moments of awe 
(ROOT (S (NP (EX there)) (VP (VBP are) (NP (NP (NNS flaws)) (, ,) (CC but) (ADVP (RB also)) (NP (NP (NP (NNS stretches)) (PP (IN of) (NP (NN impact)))) (CC and) (NP (NP (NNS moments)) (PP (IN of) (NP (NN awe)))))))))
(ROOT (S (NP (EX )) (VP (VBP ) (NP (NP (NNS )) (, ) (CC ) (ADVP (RB )) (NP (NP (NP (NNS )) (PP (IN ) (NP (NN )))) (CC ) (NP (NP (NNS )) (PP (IN ) (NP (NN )))))))))