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Narendra Karmarkar ( MS 1979 ) is known for the interior point method , a polynomial algorithm for linear programming known as Karmarkar 's algorithm .
 Narendra Karmarkar, Karmarkar
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Narendra Karmarkar, Karmarkar