rtokens: After these steps , the president 's condition signigicantly improved . "
pos: " DT NN VBD VBN CC JJ NN VBD VBN IN DT NN IN DT NN NN , " PRP VBD . "
tokens: " A tracheotomy was performed and supportive breathing was installed through the help of a breathing device , " he said . "
ltokens: " A worsening in the president 's lung functions took place yesterday , " presidential spokesman Ladlislav Spacek said in a statement .