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But it is not fashionable -- as Lawrence Summers , president of Harvard University , discovered when he suggested this month that greater intrinsic ability might be one reason that men are overrepresented at the top levels of fields involving math , science and engineering .
 person of company: Lawrence Summers, Harvard 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: Lawrence Summers, Harvard University