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1881 – 1943 The sixty years from 1881 to the 1940s can be neatly divided into two by the passage of the 1905 Aboriginal Act , which created institutionalised racism and created what amounted to Aboriginal " concentration camps " in which the Aboriginal people were to be confined until the race became extinct .
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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:  
Answer:
 None