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Dundas Island is an island on the North Coast of British Columbia , Canada , located on the west side of Chatham Sound to the northwest of Prince Rupert .
 Dundas, Canada, Prince Rupert
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dundas, Canada, Prince Rupert