4780
Last and grandest of the Mitford sisters dies http://t.co/yWTF5TBBlJ ( PA ) http://t.co/rnoB2tMoky
 Mitford, PA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mitford, PA