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Its headquarters were located in a small office above what was then the bus depot on Fourth Avenue in Anchorage .
 organization: Anchorage
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: Anchorage 
Answer:
 organization: Anchorage