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The mayor of Acatepec , a small town some 310 miles ( 500 km ) south of Mexico City , sent a letter to Mexico 's National Human Rights Commission complaining the army 's heavy presence in the town would interfere with the Oct. 6 election .
 Mexico, Mexico City, National Human Rights Commission, Acatepec
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Mexico, Mexico City, National Human Rights Commission, Acatepec