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As was the case last month when Senate Democrats first delayed a vote on Mr. Bolton , three Democratic senators -- Mary Landrieu of Louisiana , Mark Pryor of Arkansas and Ben Nelson of Nebraska -- crossed party lines to vote with Republicans .
 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