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Capping a month of political upheaval in Israel , Shimon Peres announced Wednesday that after more than four decades of membership he was leaving the Labor Party and would back Prime Minister Ariel Sharon 's new centrist party in parliamentary elections in March .
 nationality: Shimon Peres, Israel; nationality: Ariel Sharon, Israel
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Shimon Peres, Israel; Ariel Sharon, Israel 
Answer:
 nationality: Shimon Peres, Israel; nationality: Ariel Sharon, Israel