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The head of the Senate's environmental committee Democrat  Barbara Boxer  of  California  has asked the Justice Department to determine whether BP made false and misleading claims about its ability to prevent a serious oil spill .
 state or provinces of residence: Barbara Boxer, California
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: Barbara Boxer, California