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As Minister of Mines and Hydrocarbons during the second democratic government of  Venezuela  the administration of  Betancourt  ( 1959 1964 ) was responsible for the creation of OPEC ( Organization of Petroleum Exporting Countries ) for the purpose of rationalizing and thereby increasing oil prices in the world market .
 employee of: Venezuela, Betancourt
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Venezuela, Betancourt 
Answer:
 employee of: Venezuela, Betancourt