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 SPORTSTUESDAY , PAGE D1 Italy 's Election Up in the Air The high-decibel elections ended in so tight a race that it was impossible to tell half a day after the polls closed whether Prime Minister Silvio Berlusconi or his challenger , Romano Prodi , had won . 
 nationality: Silvio Berlusconi, Italy; nationality: Romano Prodi, Italy
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
 Entity Pairs:  Silvio Berlusconi, Italy; Romano Prodi, Italy 
Answer:
 nationality: Silvio Berlusconi, Italy; nationality: Romano Prodi, Italy