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Tasu or Tassoo , also Old Tasu or Old Tasu Townsite , was an iron and copper ( w / precious metal sweeteners ) - open pit and underground mining operation and townsite located on the south shore of Tasu Sound in west-central Moresby Island in the Queen Charlotte Islands of the North Coast of British Columbia , Canada .
 location: Canada
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: Canada 
Answer:
 location: Canada