1251
The  Karelian Front  was a Front ( a formation of Army Group size ) of the  Soviet Union  's Red Army during World War II and operated in Karelia .
 country of headquarters: Karelian Front, Soviet Union
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Karelian Front, Soviet Union 
Answer:
 country of headquarters: Karelian Front, Soviet Union