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Beginning shortly before the 1905 revolution he was a cadre in the Zionist Socialist Workers Party in Białystok , Lodz , Warsaw , Kiev and Odessa .
 Zionist Socialist Workers Party, Białystok, Lodz, Warsaw, Kiev, Odessa
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Zionist Socialist Workers Party, Białystok, Lodz, Warsaw, Kiev, Odessa