with more character development this might have been an eerie thriller ; with better payoffs , it could have been a thinking man 's monster movie 
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(ROOT (S (S (PP (IN ) (NP (JJR ) (NN ) (NN ))) (NP (DT )) (VP (MD ) (VP (VB ) (VP (VBN ) (NP (DT ) (JJ ) (NN )))))) (, ) (S (PP (IN ) (NP (JJR ) (NNS ))) (, ) (NP (PRP )) (VP (MD ) (VP (VB ) (VP (VBN ) (NP (NP (DT ) (NN ) (NN ) (POS )) (NN ) (NN ))))))))