the gags , and the script , are a mixed bag . 
(ROOT (S (NP (NP (DT the) (NNS gags)) (, ,) (CC and) (NP (DT the) (NN script)) (, ,)) (VP (VBP are) (NP (DT a) (VBN mixed) (NN bag))) (. .)))
(ROOT (S (NP (NP (DT ) (NNS )) (, ) (CC ) (NP (DT ) (NN )) (, )) (VP (VBP ) (NP (DT ) (VBN ) (NN ))) (. )))