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Jacob Hacker , a Yale University political scientist , found that the income of the average family was about twice as volatile in 2000 as it was in the 1970 's -- a result of rising health and education costs , the increasing rate at which people change jobs and the shift from pensions with guaranteed benefits to 401 -LRB- k -RRB- 's .
 person of company: Jacob Hacker, Yale 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: Jacob Hacker, Yale University