dampened by a lackluster script and substandard performances 
(ROOT (S (VP (VBN dampened) (PP (IN by) (NP (NP (DT a) (JJ lackluster) (NN script)) (CC and) (NP (JJ substandard) (NNS performances)))))))
(ROOT (S (VP (VBN ) (PP (IN ) (NP (NP (DT ) (JJ ) (NN )) (CC ) (NP (JJ ) (NNS )))))))