(S (S (BASENP (PRP He)) (VP (VP (VBD was) (NP (BASENP (DT an) (NN adviser)) (PP (TO to) (BASENP (DT the) (NN president))))) (PP (IN at) (NP (BASENP (DT the) (NN time)) (PP (IN of) (BASENP (PRPD his) (NN death))))))) (PERIOD .))