this sad , occasionally horrifying but often inspiring film 
(ROOT (NP (DT this) (ADJP (ADJP (JJ sad)) (, ,) (ADJP (RB occasionally) (JJ horrifying)) (CC but) (ADJP (RB often)) (ADJP (JJ inspiring))) (NN film)))
(ROOT (NP (DT ) (ADJP (ADJP (JJ )) (, ) (ADJP (RB ) (JJ )) (CC ) (ADJP (RB )) (ADJP (JJ ))) (NN )))