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