1081
It was chosen as  Greece  official participation in the Eurovision Song Contest in Kiev Ukraine and sung by  Elena Paparizou  on May 21 2005 .
 countries of residence: Greece, Elena Paparizou
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:  Greece, Elena Paparizou 
Answer:
 countries of residence: Greece, Elena Paparizou