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Tiniteqilaaq Heliport is a heliport in Tiniteqilaaq , a village in the Sermersooq municipality in southeastern Greenland .
 Tiniteqilaaq, Tiniteqilaaq, Sermersooq, Greenland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Tiniteqilaaq, Tiniteqilaaq, Sermersooq, Greenland