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I 've always been very cautious and careful to deal with my Democratic friends , my independent friends , my enlightened Republican friends , so I 'm very concerned about anything that is unnecessarily divisive , '' said Senator Ben Nelson of Nebraska , a Democrat in a red state , after attending a closed-door lunch with Dr. Dean in a conference room near the Senate floor .
 place lived: Ben Nelson, Nebraska
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:  Ben Nelson, Nebraska 
Answer:
 place lived: Ben Nelson, Nebraska