rtokens: He said that the procedure to insert a device into Havel 's throat , done after his breathing worsened on Thursday , had helped , and the president 's condition significantly improved .
pos: NNS VBD DT NN NNS TO VB NNP NNP NNP NNP VB IN NN NN IN PRP$ NNS RBR DT NN , DT NN VBD IN NNP .
tokens: Doctors performed an emergency tracheotomy to help Czech President Vaclav Havel breathe after cancer surgery on his lungs earlier this week , a spokesman said on Friday .
ltokens: PRAGUE 1996-12-06