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