is almost entirely witless and inane , carrying every gag two or three times beyond its limit to sustain a laugh 
(ROOT (VP (VBZ is) (ADJP (ADVP (RB almost) (RB entirely)) (JJ witless) (CC and) (JJ inane)) (, ,) (S (VP (VBG carrying) (NP (DT every) (NN gag)) (PP (QP (CD two) (CC or) (CD three) (NNS times)) (IN beyond) (NP (PRP$ its) (NN limit))) (S (VP (TO to) (VP (VB sustain) (NP (DT a) (NN laugh)))))))))
(ROOT (VP (VBZ ) (ADJP (ADVP (RB ) (RB )) (JJ ) (CC ) (JJ )) (, ) (S (VP (VBG ) (NP (DT ) (NN )) (PP (QP (CD ) (CC ) (CD ) (NNS )) (IN ) (NP (PRP$ ) (NN ))) (S (VP (TO ) (VP (VB ) (NP (DT ) (NN )))))))))