pos: NNP NNP NNP WP VBD DT NN , VBD NNP NN NN NNP VBD VBG RP TO CD NNS DT NN IN PRP$ NN .
tokens: Surgeon Renat Akchurin who led the operation , told Itar-Tass news agency Yeltsin was working up to four hours a day at his residence .
ltokens: Yeltsin has been shown a few times on television since his quintuple bypass on November 5 but has yet to deliver any major television or radio address to the nation .