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One of the new president 's first acts was to sanction the arrest this week of Flavio Sosa , the ringleader of leftist protesters who had held the southern city of Oaxaca in a state of anarchic siege for months .
 Flavio Sosa, Oaxaca
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 Flavio Sosa, Oaxaca