bearing the unmistakable stamp of authority 
(ROOT (S (VP (VBG bearing) (NP (NP (DT the) (JJ unmistakable) (NN stamp)) (PP (IN of) (NP (NN authority)))))))
(ROOT (S (VP (VBG ) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (NN )))))))