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When Hetland was incorporated into Stavanger municipality , Knutsen became chief administrative officer of technics .
 location: Hetland; location: Stavanger; person: Knutsen
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: Hetland, Stavanger, Knutsen 
Answer:
 location: Hetland; location: Stavanger; person: Knutsen