an uncomfortable movie , suffocating and sometimes almost senseless , the grey zone 
(ROOT (NP (NP (DT an) (JJ uncomfortable) (NN movie)) (, ,) (S (ADJP (ADJP (VBG suffocating)) (CC and) (ADVP (RB sometimes)) (ADJP (RB almost) (JJ senseless)))) (, ,) (NP (DT the) (JJ grey) (NN zone))))
(ROOT (NP (NP (DT ) (JJ ) (NN )) (, ) (S (ADJP (ADJP (VBG )) (CC ) (ADVP (RB )) (ADJP (RB ) (JJ )))) (, ) (NP (DT ) (JJ ) (NN ))))