the film grounded in an undeniable social realism 
(ROOT (NP (NP (DT the) (NN film)) (VP (VBD grounded) (PP (IN in) (NP (DT an) (JJ undeniable) (JJ social) (NN realism))))))
(ROOT (NP (NP (DT ) (NN )) (VP (VBD ) (PP (IN ) (NP (DT ) (JJ ) (JJ ) (NN ))))))