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 ))))))