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Princess Beatrice 's Philip Treacy hat sells for £ 81 , 101 on eBay http://tgr.ph/lQwr9b
 Princess Beatrice, Philip Treacy, eBay
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Princess Beatrice, Philip Treacy, eBay