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The President of Chechnya , and former rebel , Ramzan Kadyrov declared this phase to end in March 2009 .
 Chechnya, Ramzan Kadyrov
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Chechnya, Ramzan Kadyrov