the film boasts at least a few good ideas and features some decent performances , but 
(ROOT (S (NP (DT the) (NN film)) (VP (VP (VP (VBZ boasts) (NP (QP (ADVP (IN at) (JJS least)) (DT a) (JJ few)) (JJ good) (NNS ideas))) (CC and) (VP (VBZ features) (NP (DT some) (JJ decent) (NNS performances)))) (, ,) (CC but))))
(ROOT (S (NP (DT ) (NN )) (VP (VP (VP (VBZ ) (NP (QP (ADVP (IN ) (JJS )) (DT ) (JJ )) (JJ ) (NNS ))) (CC ) (VP (VBZ ) (NP (DT ) (JJ ) (NNS )))) (, ) (CC ))))