this story gets sillier , not scarier , as it goes along ... 
(ROOT (S (NP (DT this) (NN story)) (VP (VBZ gets) (ADJP (JJR sillier) (, ,) (RB not) (JJR scarier) (, ,)) (SBAR (IN as) (S (NP (PRP it)) (VP (VBZ goes) (ADVP (RB along)))))) (. ...)))
(ROOT (S (NP (DT ) (NN )) (VP (VBZ ) (ADJP (JJR ) (, ) (RB ) (JJR ) (, )) (SBAR (IN ) (S (NP (PRP )) (VP (VBZ ) (ADVP (RB )))))) (. )))