710
The couple's two daughters left the Imperial Family upon marriage : After the defeat of  Japan  in World War II many members of the imperial family such as  Princes Chichibu  Takamatsu and Higashikuni pressured then Emperor Hirohito to abdicate so that one of the Princes could serve as regent until Crown Prince Akihito came of age .
 country of headquarters: Japan, Princes Chichibu
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: Japan, Princes Chichibu