1352
The task proved too difficult for Smith and his associates one of whom was  Salmon P. Chase  later  United States  Secretary of the Treasury and Chief Justice of the United States who became Smith's friend when both were students at Dartmouth College .
 countries of residence: Salmon P. Chase, United States
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:
 countries of residence: Salmon P. Chase, United States