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The world now knows that Deep Throat , The Washington Post 's famously anonymous source in the Watergate scandal , is W. Mark Felt , the former No. 2 official at the Federal Bureau of Investigation .
 person of company: W. Mark Felt, Federal Bureau of Investigation
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:  W. Mark Felt, Federal Bureau of Investigation 
Answer:
 person of company: W. Mark Felt, Federal Bureau of Investigation