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Indrajit Coomaraswamy ( born April 3 , 1950 ) is a Sri Lanka n economist .
 Indrajit Coomaraswamy, 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:
 Indrajit Coomaraswamy, Sri Lanka