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We were looking at different models of philanthropy , '' said Sheryl Sandberg , a vice president at Google and a Google.org board member . ''
 person of company: Sheryl Sandberg, Google
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:  Sheryl Sandberg, Google 
Answer:
 person of company: Sheryl Sandberg, Google