every moment crackles with tension , and by the end of the flick , you 're on the edge of your seat . 
(ROOT (S (S (NP (DT every) (NN moment)) (VP (VBZ crackles) (PP (IN with) (NP (NN tension))))) (, ,) (CC and) (S (PP (IN by) (NP (NP (DT the) (NN end)) (PP (IN of) (NP (DT the) (NN flick))))) (, ,) (NP (PRP you)) (VP (VBP 're) (PP (IN on) (NP (NP (DT the) (NN edge)) (PP (IN of) (NP (PRP$ your) (NN seat))))))) (. .)))
(ROOT (S (S (NP (DT ) (NN )) (VP (VBZ ) (PP (IN ) (NP (NN ))))) (, ) (CC ) (S (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (NN ))))) (, ) (NP (PRP )) (VP (VBP ) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (PRP$ ) (NN ))))))) (. )))