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I do n't think there is a tougher job in this business right now than trying to turn that company into a success , '' Marc Benioff , chief executive of Salesforce.com , said on Wednesday .
 company shareholder among major shareholders: Marc Benioff, Salesforce.com; company major shareholders: Salesforce.com, Marc Benioff; company founders: Salesforce.com, Marc Benioff; person of company: Marc Benioff, Salesforce.com
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:  Marc Benioff, Salesforce.com; Salesforce.com, Marc Benioff; Salesforce.com, Marc Benioff; Marc Benioff, Salesforce.com 
Answer:
 company shareholder among major shareholders: Marc Benioff, Salesforce.com; company major shareholders: Salesforce.com, Marc Benioff; company founders: Salesforce.com, Marc Benioff; person of company: Marc Benioff, Salesforce.com