39374
Certain clerics in many dioceses at the time , not just that of Rome , were said to be the key personnel - the term gradually became exclusive to Rome to indicate those entrusted with electing the bishop of Rome , the pope .
 Rome, Rome, Rome
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Rome, Rome, Rome