talky , artificial and opaque ... an interesting technical exercise 
(ROOT (FRAG (ADJP (JJ talky) (, ,) (JJ artificial) (CC and) (JJ opaque)) (, ...) (NP (DT an) (JJ interesting) (JJ technical) (NN exercise))))
(ROOT (FRAG (ADJP (JJ ) (, ) (JJ ) (CC ) (JJ )) (, ) (NP (DT ) (JJ ) (JJ ) (NN ))))