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When in June 1923 , Stanisław Szeptycki addressed to the Sejm a bill on the highest military authorities , announcing the liquidation of the powerful military council , who Piłsudski served as the chairman , flared up a sharp dispute between him and the Marshal .
 Stanisław Szeptycki, Sejm, Piłsudski
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Stanisław Szeptycki, Sejm, Piłsudski