(S (S (BASENP (NNP Rother)) (VP (VP (VBZ points) (PRT (RP out))) (SBAR (IN that) (S (S (NP (BASENP (NNP Social) (NNP Security) (NNS benefits)) (PRN (COMMA ,) (SBAR (WHNP (WDT which)) (S (ADVP (RB currently)) (VP (VBP equal) (NP (BASENP (NN 42) (NN percent)) (PP (IN of) (NP (BASENP (DT the) (NNS earnings)) (PP (IN of) (NP (BASENP (DT an) (JJ average) (NN worker)) (VP (VBG retiring) (PP (IN at) (BASENP (NN age) (NN 65)))))))))))) (COMMA ,))) (VP (MD would) (VP (VB be) (VP (VP (VBN reduced) (PP (TO to) (NP (BASENP (NN 20) (NN %)) (PP (IN of) (BASENP (NN pre-retirement) (NNS earnings)))))) (PP (IN for) (BASENP (JJ future) (NNS retirees))))))) (COMMA ,) (S (ADVP (RB thus)) (VP (ADVP (RB potentially)) (VP (VP (VBG freezing) (BASENP (NNS retirees))) (PP (IN into) (NP (NP (BASENP (NN today) (POS 's)) (NN standard)) (PP (IN of) (BASENP (NN living)))))))))))) (PERIOD .))