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I 'll bet not one person out of 20 would think to ride a bike to work , '' said Kenneth T. Jackson , a professor of history at Columbia University who for years has led a bike ride around the city for his students .
 person of company: Kenneth T. Jackson, Columbia University
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: Kenneth T. Jackson, Columbia University