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HEADING OUT -- Sanford I. Weill stepped down as chairman of Citigroup , the worldwide financial supermarket he had meticulously and single-mindedly stitched together through dozens of mergers and acquisitions .
 company advisors: Citigroup, Sanford I. Weill
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:  Citigroup, Sanford I. Weill 
Answer:
 company advisors: Citigroup, Sanford I. Weill