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Campbell River passes through Surrey and Langley , British Columbia , Canada , entering Semiahmoo Bay at the Semiahmoo Indian Reserve , which lies between the City of White Rock and Peace Arch Park on the international boundary .
 Surrey, Langley , British Columbia, Canada, White Rock
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Surrey, Langley , British Columbia, Canada, White Rock