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In this section , we show how the above method allows retrieving Euclid 's formula for generating Pythagorean triples .
 Euclid, Pythagorean
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Euclid, Pythagorean