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The Bush administration , hoping to strengthen Prime Minister Ariel Sharon in the Israeli turmoil after the Gaza withdrawal , is urging allies of the United States to refrain from pressing Israel to make new concessions to Palestinians , senior American officials said this week .
 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:  Ariel Sharon, Israel 
Answer:
 nationality: Ariel Sharon, Israel