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In 1946 , he was followed by Max Brauer , who was elected as the First Mayor , and Petersen remained member of the Hamburg Parliament .
 Max Brauer, Petersen, Hamburg
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Max Brauer, Petersen, Hamburg