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CIC agreed Wednesday to a 1.9-billion-dollar investment in  Indonesia  's PT  Bumi Resources  Tbk the country's largest producer of thermal coal .
 country of headquarters: Indonesia, Bumi Resources
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: Indonesia, Bumi Resources