27783
 Few were more painful than the murder of the United Nations special representative in Iraq , Sergio Vieira de Mello , his colleagues Nadia Younes and Rick Hooper and 14 other United Nations staff in the 2003 bombing of its headquarters in Baghdad . 
 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