the very simple story seems too simple and the working out of the plot almost arbitrary . 
(ROOT (S (S (NP (DT the) (ADJP (RB very) (JJ simple)) (NN story)) (VP (VBZ seems) (S (ADJP (RB too) (JJ simple))))) (CC and) (S (NP (NP (DT the) (NN working) (IN out)) (PP (IN of) (NP (DT the) (NN plot)))) (ADJP (RB almost) (JJ arbitrary))) (. .)))
(ROOT (S (S (NP (DT ) (ADJP (RB ) (JJ )) (NN )) (VP (VBZ ) (S (ADJP (RB ) (JJ ))))) (CC ) (S (NP (NP (DT ) (NN ) (IN )) (PP (IN ) (NP (DT ) (NN )))) (ADJP (RB ) (JJ ))) (. )))