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He was the son of the politician and lawyer Themistoklis Tsatsos ( 1906 1971 ) and a nephew of former President of  Greece   Konstantinos Tsatsos  ( 1899 1987 ) .
 countries of residence: Greece, Konstantinos Tsatsos
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: Greece, Konstantinos Tsatsos