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When you are as smart as Warren or Bill , I think it 's hard to find people to talk to , '' said Donald E. Graham , the publisher of The Washington Post , who has spent time together with the two men .
 person of company: Donald E. Graham, The Washington Post
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:  Donald E. Graham, The Washington Post 
Answer:
 person of company: Donald E. Graham, The Washington Post