the film 's plot may be shallow , 
(ROOT (S (NP (NP (DT the) (NN film) (POS 's)) (NN plot)) (VP (MD may) (VP (VB be) (ADJP (JJ shallow)))) (, ,)))
(ROOT (S (NP (NP (DT ) (NN ) (POS )) (NN )) (VP (MD ) (VP (VB ) (ADJP (JJ )))) (, )))