convincing as this bland blank of a man with unimaginable demons 
(ROOT (VP (VBG convincing) (PP (IN as) (NP (NP (DT this) (JJ bland) (NN blank)) (PP (IN of) (NP (NP (DT a) (NN man)) (PP (IN with) (NP (JJ unimaginable) (NNS demons)))))))))
(ROOT (VP (VBG ) (PP (IN ) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (JJ ) (NNS )))))))))