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It was sponsored by three Democratic senators Dianne Feinstein of California  Sheldon Whitehouse  of  Rhode Island  and Russ Feingold of Wisconsin and a Republican Chuck Hagel of Nebraska .
 Sheldon Whitehouse, Rhode Island
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 Sheldon Whitehouse, Rhode Island