3985
( also called  Prince Chichibu  Memorial Stadium ) in the Aoyama district of central Tokyo is the spiritual home of Japanese rugby union and the headquarters of the  Japan  Rugby Football Union .
 country of headquarters: Prince Chichibu, Japan
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: Prince Chichibu, Japan