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Bulgaria is ready to help Croatia in its negotiations with the European Union ( EU ) toward membership of the bloc Bulgarian President  Georgi Parvanov  told his Croatian counterpart Stjepan Mesic here  Wednesday  .
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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:
 NA: Georgi Parvanov, Wednesday