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Yet General Hayden would start the job with almost no direct experience at the C.I.A. 's central task of recruiting and running foreign agents , the closest analogy being his two years in the 1980 's as a military attache in the American Embassy in Sofia , Bulgaria , trolling for military insights into the Warsaw Pact .
 location contains: Bulgaria, Sofia; administrative division of country: Sofia, Bulgaria; country of capital: Bulgaria, Sofia; country of administrative divisions: Bulgaria, Sofia
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Bulgaria, Sofia; Sofia, Bulgaria; Bulgaria, Sofia; Bulgaria, Sofia 
Answer:
 location contains: Bulgaria, Sofia; administrative division of country: Sofia, Bulgaria; country of capital: Bulgaria, Sofia; country of administrative divisions: Bulgaria, Sofia