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Boris Gryzlov Chairman of Russian State Duma and the United Russia Supreme Council read a congratulatory message at the opening ceremony from Russian Prime Minister  Vladimir Putin  also chairman of the  United Russia  .
 Vladimir Putin, United Russia
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Vladimir Putin, United Russia