confessions may not be a straightforward bio 
(ROOT (S (NP (NNS confessions)) (VP (MD may) (RB not) (VP (VB be) (NP (DT a) (JJ straightforward) (NN bio))))))
(ROOT (S (NP (NNS )) (VP (MD ) (RB ) (VP (VB ) (NP (DT ) (JJ ) (NN ))))))