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However , it attracted controversy when many of its high profile attendees , including Armie Hammer , Joan Smalls and Wilmer Valderrama , were criticized for engaging in " image rehab " for the kingdom , overlooking the continued human rights abuses in the country .
 Armie Hammer, Joan Smalls, Wilmer Valderrama
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Armie Hammer, Joan Smalls, Wilmer Valderrama