is an undeniably worthy and devastating experience 
(ROOT (S (VP (VBZ is) (NP (DT an) (ADJP (RB undeniably) (JJ worthy) (CC and) (JJ devastating)) (NN experience)))))
(ROOT (S (VP (VBZ ) (NP (DT ) (ADJP (RB ) (JJ ) (CC ) (JJ )) (NN )))))