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We know many of the people who live in Barentsburg , some of them could have been on the plane , " said Johan Sletten , 52 .
 location: Barentsburg; person: Johan Sletten
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 location: Barentsburg; person: Johan Sletten