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The federal securities laws establish liability for auditors in registration statements , but at the same time provide auditors with the ability to establish a due diligence defense , '' said Joseph Grundfest , a law professor at Stanford University and a former commissioner of the Securities and Exchange Commission .
 person of company: Joseph Grundfest, Stanford 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: Joseph Grundfest, Stanford University