1257
 Washington is hoping that the promise of new cash-paying customers will persuade Moscow to finally break with an old customer , Iran , and agree to United Nations sanctions if Tehran refuses to give up its nuclear ambitions . 
 country capital: Iran, Tehran
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:
 country capital: Iran, Tehran