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The letter which will be disclosed at a news conference Wednesday was also signed by Sens.  Sherrod Brown  of  Ohio  Robert Casey of Pennsylvania and Jon Tester of Montana .
 state or provinces of residence: Sherrod Brown, Ohio
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: 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:
 state or provinces of residence: Sherrod Brown, Ohio