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The Gaelic-language public service broadcaster BBC Alba launched on 19 September 2008 , is based in Stornoway .
 organization: BBC Alba; location: Stornoway
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: BBC Alba, Stornoway 
Answer:
 organization: BBC Alba; location: Stornoway