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Advertisers do n't want to count people in playback mode at all because they assume they are all fast-forwarding through the commercials , '' said David F. Poltrack , executive vice president for research and planning at CBS . ''
 person of company: David F. Poltrack, CBS
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: David F. Poltrack, CBS