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It strikes me that this is just a failure of most e-mail systems to reveal the history of an e-mail , '' said Whitfield Diffie , a pioneer in computer cryptography who is the chief security officer of Sun Microsystems . ''
 person of company: Whitfield Diffie, Sun Microsystems
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 person of company: Whitfield Diffie, Sun Microsystems