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The world will be consuming growing amounts of oil and only five or six countries can supply this , '' said Mehdi Hashemi , a son of Iran 's former president , Ali Akbar Hashemi Rafsanjani , who maintains ties with the oil ministry . ''
 nationality: Mehdi Hashemi, Iran
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: 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} 
Answer:
 nationality: Mehdi Hashemi, Iran