8288
In the five and a half years between Mr. Kennan 's decision to become a specialist on Soviet affairs and his first assignment to Moscow in 1933 , he served in a number of posts on the periphery of the Soviet Union .
 country of capital: Soviet Union, Moscow
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: 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} 
Answer:
 country of capital: Soviet Union, Moscow