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In letters to the governor and federal officials , Senators Chuck Grassley of Iowa and Max Baucus of Montana said they were seeking assurance that the state would reverse problems that led to allegations of mismanagement and fraud .
 Chuck Grassley, Iowa
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Chuck Grassley, Iowa