(S (S (ADVP (RB However)) (COMMA ,) (S (BASENP (NNP Rother)) (VP (VBZ says) (SBAR (IN that) (S (S (BASENP (NN price) (NN indexing)) (VP (VBZ has) (S (VP (TO to) (VP (VB be) (VP (VBN linked) (PP (TO to) (NP (BASENP (NNP Bush) (POS 's)) (BASENP (JJ private) (NN investment) (NNS accounts)))))))))) (SBAR (IN as) (S (NP (BASENP (NN income)) (PP (IN from) (BASENP (DT the) (NNS accounts)))) (VP (VP (VB give) (BASENP (NNS retirees))) (NP (BASENP (DT the) (NN chance)) (S (VP (TO to) (VP (VP (VB make) (PRT (RP up))) (BASENP (DT the) (NNS shortfalls)))))))))))))) (PERIOD .))