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In the gypsy camp in Birkenau he had the role of deputy roll call leader from its opening through autumn 1943 , and in the summer was also acting protective custody leader ( Schutzhaftlagerführer ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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