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No weather-related closures of CIS airports are expected on December 7 and 8 , the Russian Weather Service said on Friday .
 location: CIS; organization: Russian Weather Service
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: CIS; organization: Russian Weather Service