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On Friday , Secretary General Kofi Annan of the United Nations criticized the Gaza operation in a statement and urged Israelis '' to exercise maximum restraint , do their utmost to protect civilians and to refrain from further escalating an already grave situation . ''
 person of company: Kofi Annan, United Nations
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: 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} 
 Entity Pairs:  Kofi Annan, United Nations 
Answer:
 person of company: Kofi Annan, United Nations