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Steinar Dagur Adolfsson ( born 25 January 1970 ) is a retired Iceland ic football defender .
 Steinar Dagur Adolfsson, Iceland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Steinar Dagur Adolfsson, Iceland