3801
The rebel attacks included a suicide car bombing at an Iraqi-manned checkpoint in Abu Ghraib , the district best known for the prison that holds many of the 14,000 insurgency suspects held in American custody across Iraq .
 location contains: Iraq, Abu Ghraib
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, Abu Ghraib 
Answer:
 location contains: Iraq, Abu Ghraib