48046
Senator Chuck Grassley , an Iowa Republican who held hearings on recent F.D.A. actions , said , '' At this point , no one can say with confidence whether the worst drug safety problems are behind us or ahead of us . ''
 place lived: Chuck Grassley, Iowa
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Chuck Grassley, Iowa 
Answer:
 place lived: Chuck Grassley, Iowa