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Azeri  President  Ilham Aliev and his South Korean counterpart  Roh Moo-hyun  signed various agreements that could help increase investment and provide opportunities for South Korean firms wishing to tap into oil-rich Azerbaijan's natural resources Roh's office said .
 title of person: President, Roh Moo-hyun
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:
 title of person: President, Roh Moo-hyun