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Between 1910 and 1930 , the African American population of Chicago increased dramatically , from 44,103 to 233,903 .
 location: Chicago
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: Chicago 
Answer:
 location: Chicago