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Some Democrats in Congress including  California  Sen.  Barbara Boxer  who chairs the environment committee want to use California's law as a model as Congress aims to write federal global warming legislation .
 state or provinces of residence: California, Barbara Boxer
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: California, Barbara Boxer