that will have you at the edge of your seat for long stretches 
(ROOT (S (NP (DT that)) (VP (MD will) (VP (VB have) (NP (PRP you)) (PP (IN at) (NP (NP (DT the) (NN edge)) (PP (IN of) (NP (PRP$ your) (NN seat))))) (PP (IN for) (NP (JJ long) (NNS stretches)))))))
(ROOT (S (NP (DT )) (VP (MD ) (VP (VB ) (NP (PRP )) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (PRP$ ) (NN ))))) (PP (IN ) (NP (JJ ) (NNS )))))))