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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 .
 location: Czech; person: Vaclav Havel
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 location: Czech; person: Vaclav Havel