(S (S (S (BASENP (DT The) (NN move)) (VP (VBZ is) (ADJP (JJ akin) (PP (TO to) (NP (NP (NP (BASENP (DT the) (JJ private) (NN sector) (POS 's)) (NN migration)) (PP (IN from) (BASENP (VBN defined) (NN benefit) (NN retirement) (NNS plans)))) (PP (TO to) (NP (BASENP (VBN defined) (NN contribution) (NN benefit) (NNS plans)) (PP (IN such) (PP (IN as) (BASENP (NN 401) (LRB -LRB-) (NN k) (RRB -RRB-) (NN s))))))))))) (SBAR (IN as) (S (NP (BASENP (RB almost) (NN half)) (PP (IN of) (NP (BASENP (DT a) (NN worker) (POS 's)) (NNS benefits)))) (VP (VP (MD will) (RB not)) (VP (VB be) (VP (VBN guaranteed) (PP (IN by) (BASENP (DT the) (NN year) (NN 2075))))))))) (PERIOD .))