the performances are amiable and committed , and 
(ROOT (S (NP (DT the) (NNS performances)) (VP (VP (VBP are) (ADJP (JJ amiable) (CC and) (VBN committed))) (, ,) (CC and))))
(ROOT (S (NP (DT ) (NNS )) (VP (VP (VBP ) (ADJP (JJ ) (CC ) (VBN ))) (, ) (CC ))))