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Soon Zabrzeziński began a political rivalry with Michael Glinski , a quickly-rising favorite of Alexander Jagiellon .
 Zabrzeziński, Michael Glinski, Alexander Jagiellon
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Zabrzeziński, Michael Glinski, Alexander Jagiellon