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Axel Carl Johan Gustafson ( born c. 1847 ) was a Swedish-American author .
 person: Axel Carl Johan Gustafson
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Axel Carl Johan Gustafson 
Answer:
 person: Axel Carl Johan Gustafson