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The first ceremonial raising of the yellow-and-blue Ukrainian flag in modern times took place on 24 July 1990 at the flagstaff of the Kiev City Council , two years before the flag was officially adopted as the National flag of the Ukrainian state ( 1992 ) .
 Kiev
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kiev