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Rivero married and found it difficult to sustain his family economically as a professional baseball player therefore he moved with his family to the town of Cayey and worked as a physical education instructor at a local school.Biography of  Rivero  ( Spanish ) San Juan  Puerto Rico  : Rivero ] .
 countries of residence: Rivero, Puerto Rico
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: Rivero, Puerto Rico