an amusing and unexpectedly insightful examination 
(ROOT (NP (DT an) (ADJP (ADJP (JJ amusing)) (CC and) (ADJP (RB unexpectedly) (JJ insightful))) (NN examination)))
(ROOT (NP (DT ) (ADJP (ADJP (JJ )) (CC ) (ADJP (RB ) (JJ ))) (NN )))