an assurance worthy of international acclaim 
(ROOT (NP (NP (DT an) (NN assurance)) (ADJP (JJ worthy) (PP (IN of) (NP (JJ international) (NN acclaim))))))
(ROOT (NP (NP (DT ) (NN )) (ADJP (JJ ) (PP (IN ) (NP (JJ ) (NN ))))))