a poster movie , a mediocre tribute to films like them 
(ROOT (NP (NP (DT a) (NN poster) (NN movie)) (, ,) (NP (NP (DT a) (JJ mediocre) (NN tribute)) (PP (IN to) (NP (NP (NNS films)) (PP (IN like) (NP (PRP them))))))))
(ROOT (NP (NP (DT ) (NN ) (NN )) (, ) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (NP (NNS )) (PP (IN ) (NP (PRP ))))))))