darned if it does n't also keep us riveted to our seats . 
(ROOT (S (ADJP (JJ darned) (SBAR (IN if) (S (NP (PRP it)) (VP (VBZ does) (RB n't) (ADVP (RB also)) (VP (VB keep) (NP (PRP us)) (S (VP (VBN riveted) (PP (IN to) (NP (PRP$ our) (NNS seats)))))))))) (. .)))
(ROOT (S (ADJP (JJ ) (SBAR (IN ) (S (NP (PRP )) (VP (VBZ ) (RB ) (ADVP (RB )) (VP (VB ) (NP (PRP )) (S (VP (VBN ) (PP (IN ) (NP (PRP$ ) (NNS )))))))))) (. )))