24522
A second , parallel inquiry was ordered by the second-ranking general in Iraq to examine whether any marines on the ground at Haditha , or any of their superior officers , tried to cover up the killings by filing false reports up the chain of command .
 location contains: Iraq, Haditha
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Iraq, Haditha 
Answer:
 location contains: Iraq, Haditha