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Brazil  's state-owned companies were the highest bidders for five of the seven energy transmission lines auctioned at the  Rio de Janeiro Stock Exchange  Wednesday local media said .
 country of headquarters: Brazil, Rio de Janeiro Stock Exchange
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:
 country of headquarters: Brazil, Rio de Janeiro Stock Exchange