is so deadly dull that watching the proverbial paint dry would be a welcome improvement . 
(ROOT (S (VP (VBZ is) (ADJP (RB so) (JJ deadly) (JJ dull) (SBAR (IN that) (S (S (VP (VBG watching) (S (NP (DT the) (JJ proverbial) (NN paint)) (VP (NN dry))))) (VP (MD would) (VP (VB be) (NP (DT a) (JJ welcome) (NN improvement)))))))) (. .)))
(ROOT (S (VP (VBZ ) (ADJP (RB ) (JJ ) (JJ ) (SBAR (IN ) (S (S (VP (VBG ) (S (NP (DT ) (JJ ) (NN )) (VP (NN ))))) (VP (MD ) (VP (VB ) (NP (DT ) (JJ ) (NN )))))))) (. )))