a fascinating , unnerving examination of the delusions 
(ROOT (NP (NP (DT a) (JJ fascinating) (, ,) (JJ unnerving) (NN examination)) (PP (IN of) (NP (DT the) (NNS delusions)))))
(ROOT (NP (NP (DT ) (JJ ) (, ) (JJ ) (NN )) (PP (IN ) (NP (DT ) (NNS )))))