(S (S (BASENP (NNP STV) (NNP News)) (VP (VBD reported) (SBAR (S (NP (BASENP (DT the) (NN mail) (NN carrier)) (PRN (COMMA ,) (SBAR (WHNP (WP who)) (S (VP (VP (VBZ has) (RB not)) (VP (ADVP (RB yet)) (VP (VBN been) (VP (ADVP (RB publicly)) (VBN identified))))))) (COMMA ,))) (VP (VBD was) (VP (VP (VBG conducting) (BASENP (PRPD his) (NNS duties))) (PP (IN at) (NP (BASENP (DT the) (NN time)) (PP (IN of) (BASENP (DT the) (NN incident))))))))))) (PERIOD .))