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Building upon the aforementioned example , it is entirely possible that , after processing the received business document , the service provider sends back the processed document to the service consumer that once again performs the data model transformation to convert the processed business document back to the data model that it uses within its logic to represent the business document .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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