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To honour his contributions to the arts , he received the Sibelius Medal from the Sibelius Society of Finland and the Medals of the cities Hämeenlinna and Helsinki .
 Sibelius, Sibelius, Hämeenlinna, Helsinki
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sibelius, Sibelius, Hämeenlinna, Helsinki