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