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The Sri Lanka Coast Guard , officially the Department of Coast Guard , is a Sri Lanka n non-ministerial government department tasked with Coast guard duties within the territorial waters of Sri Lanka .
 Sri Lanka, Sri Lanka, Sri Lanka
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sri Lanka, Sri Lanka, Sri Lanka