2271
7-Eleven branded stores under parent company Seven  I Holdings Co.  are located in 16 countries with its largest markets being  Japan  ( ) the United States ( ) Thailand ( ) Canada the Philippines Hong Kong Taiwan Malaysia .
 country of headquarters: I Holdings Co., 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: I Holdings Co., Japan