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At the same time , she believed these elaborate entertainments and sumptuous court rituals , which incorporated martial sports and tournaments of many kinds , would occupy her feuding nobles and distract them from fighting against each other to the detriment of the country and the royal authority .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None