this is a heartfelt story ... it just is n't a very involving one 
(ROOT (S (S (NP (DT this)) (VP (VBZ is) (NP (DT a) (JJ heartfelt) (NN story)))) (, ...) (S (NP (PRP it)) (ADVP (RB just)) (VP (VBZ is) (RB n't) (NP (DT a) (ADJP (RB very) (VBG involving)) (NN one))))))
(ROOT (S (S (NP (DT )) (VP (VBZ ) (NP (DT ) (JJ ) (NN )))) (, ) (S (NP (PRP )) (ADVP (RB )) (VP (VBZ ) (RB ) (NP (DT ) (ADJP (RB ) (VBG )) (NN ))))))