4710
Prince William and Kate Middleton are denied Princess Margaret 's former home http://tgr.ph/mHkqKm
 Prince William, Kate Middleton, Princess Margaret
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Prince William, Kate Middleton, Princess Margaret