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For example , brown bears in any particular region of the Alaska coast are more closely related to adjacent grizzly bears than to distant populations of brown bears , the morphological distinction seemingly driven by brown bears having access to a rich salmon food source , while grizzly bears live at higher elevation , or further from the coast , where plant material is the base of the diet .
 location: Alaska
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Alaska