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The Royal family and Knights of the Order of the Garter parade in Windsor http://tgr.ph/l5dIvg
 Royal family, Knights of the Order of the Garter, Windsor
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Royal family, Knights of the Order of the Garter, Windsor