engages us in constant fits of laughter , until we find ourselves surprised at how much we care about the story , and end up walking out not only satisfied but also somewhat touched . 
(ROOT (S (VP (VBZ engages) (NP (PRP us)) (PP (IN in) (NP (NP (JJ constant) (NNS fits)) (PP (IN of) (NP (NN laughter))))) (, ,) (SBAR (IN until) (S (NP (PRP we)) (VP (VP (VBP find) (S (NP (PRP ourselves)) (ADJP (JJ surprised) (PP (IN at) (SBAR (WHADVP (WRB how) (JJ much)) (S (NP (PRP we)) (VP (VBP care) (PP (IN about) (NP (DT the) (NN story)))))))))) (, ,) (CC and) (VP (VBP end) (PRT (RP up)) (S (VP (VBG walking) (PRT (RP out)) (ADJP (CONJP (RB not) (RB only)) (JJ satisfied) (CONJP (CC but) (RB also)) (ADJP (RB somewhat) (VBN touched)))))))))) (. .)))
(ROOT (S (VP (VBZ ) (NP (PRP )) (PP (IN ) (NP (NP (JJ ) (NNS )) (PP (IN ) (NP (NN ))))) (, ) (SBAR (IN ) (S (NP (PRP )) (VP (VP (VBP ) (S (NP (PRP )) (ADJP (JJ ) (PP (IN ) (SBAR (WHADVP (WRB ) (JJ )) (S (NP (PRP )) (VP (VBP ) (PP (IN ) (NP (DT ) (NN )))))))))) (, ) (CC ) (VP (VBP ) (PRT (RP )) (S (VP (VBG ) (PRT (RP )) (ADJP (CONJP (RB ) (RB )) (JJ ) (CONJP (CC ) (RB )) (ADJP (RB ) (VBN )))))))))) (. )))