this is a dark , gritty , sometimes funny little gem . 
(ROOT (S (NP (DT this)) (VP (VBZ is) (NP (DT a) (JJ dark) (, ,) (JJ gritty) (, ,) (ADJP (RB sometimes) (JJ funny)) (JJ little) (NN gem))) (. .)))
(ROOT (S (NP (DT )) (VP (VBZ ) (NP (DT ) (JJ ) (, ) (JJ ) (, ) (ADJP (RB ) (JJ )) (JJ ) (NN ))) (. )))