23033
 The second-ranking American commander in Iraq has concluded that some senior Marine officers were negligent in failing to investigate more aggressively the killings of 24 Iraqi civilians by marines in Haditha last November , two Defense Department officials said Friday . 
 location contains: Iraq, Haditha
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:
 location contains: Iraq, Haditha