are among the chief reasons brown sugar is such a sweet and sexy film 
(ROOT (VP (VBP are) (PP (IN among) (NP (NP (DT the) (JJ chief) (NNS reasons)) (SBAR (S (NP (JJ brown) (NN sugar)) (VP (VBZ is) (NP (PDT such) (DT a) (ADJP (JJ sweet) (CC and) (JJ sexy)) (NN film)))))))))
(ROOT (VP (VBP ) (PP (IN ) (NP (NP (DT ) (JJ ) (NNS )) (SBAR (S (NP (JJ ) (NN )) (VP (VBZ ) (NP (PDT ) (DT ) (ADJP (JJ ) (CC ) (JJ )) (NN )))))))))