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But canon law does allow a pope to resign , saying it is valid as long as the pope does it freely .
 person: a pope; person: the pope
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 person: a pope; person: the pope