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In 1902 a Chita committee was formed , and groups in Achinsk , Barnaul , Kansk , Novonikolayevsk , Petropavlovsk and other locations .
 Chita, Achinsk, Barnaul, Kansk, Novonikolayevsk, Petropavlovsk
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Chita, Achinsk, Barnaul, Kansk, Novonikolayevsk, Petropavlovsk