for all its visual panache and compelling supporting characters , the heart of the film rests in the relationship between sullivan and his son . 
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(ROOT (S (PP (IN ) (NP (PDT ) (PRP$ ) (NML (NML (JJ ) (NN )) (CC ) (NML (JJ ) (VBG ) (NNS ))))) (, ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (NN )))) (VP (VBZ ) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NP (NNP )) (CC ) (NP (PRP$ ) (NN ))))))) (. )))