half past dead is just such an achievement . 
(ROOT (S (NP (NP (NN half)) (PP (IN past) (ADJP (JJ dead)))) (VP (VBZ is) (NP (RB just) (PDT such) (DT an) (NN achievement))) (. .)))
(ROOT (S (NP (NP (NN )) (PP (IN ) (ADJP (JJ )))) (VP (VBZ ) (NP (RB ) (PDT ) (DT ) (NN ))) (. )))