4124
 By year 's end , Private Green , then 20 , was patrolling streets in one of the most bloodily contested corridors of Iraq , the so-called '' triangle of death '' south of Baghdad where thousands had died in sectarian violence since 2003 . 
 country capital: Iraq, Baghdad
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: Iraq, Baghdad