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the head of the catholic church in phoenix , arizona , bishop thomas o ' brien has resigned .
 phoenix , arizona, arizona, the catholic church in phoenix , arizona, catholic, the head of the catholic church in phoenix , arizona, bishop, bishop thomas o ' brien
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 phoenix , arizona, arizona, the catholic church in phoenix , arizona, catholic, the head of the catholic church in phoenix , arizona, bishop, bishop thomas o ' brien