7853
 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: 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} 
Answer:
 nationality: Mehdi Hashemi, Iran