2710
Just like the  4th Mechanized Corps  (  Soviet Union  ) the 6th Mechanised Corps stood out of the remaining mechanised corps of the Red Army .
 country of headquarters: 4th Mechanized Corps, Soviet Union
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:
 country of headquarters: 4th Mechanized Corps, Soviet Union