15702
After  Matt Santos  is elected President of the  United States  in a narrow victory over Republican Senator Arnold Vinick Josh becomes the White House Chief of Staff of the incoming Santos Administration .
 countries of residence: Matt Santos, United States
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:  Matt Santos, United States 
Answer:
 countries of residence: Matt Santos, United States