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When I first got the job , Gates put in $ 20 million to help us break up some large high schools , '' said Arne Duncan , who became head of the Chicago Public Schools four years ago , adding that the money had been important in creating momentum for the changes he sought . ''
 person of company: Arne Duncan, Chicago Public Schools
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: Arne Duncan, Chicago Public Schools