5103
The former President of  Costa Rica   Arias  completed his doctorate in Political Science at the University in 1973 and received the Nobel Peace Prize in 1987 .
 countries of residence: Costa Rica, Arias
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: Costa Rica, Arias