6794
 In Iraq , he had not only been cut off from his Alpha Company comrades PTSD is common among '' lone wolf '' soldiers separated from their home units but his posting in Baiji had also placed him in a particularly violent corner of the Sunni Triangle , where he had performed one of the war 's most gruesome tasks . 
 location contains: Iraq, Baiji
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Iraq, Baiji 
Answer:
 location contains: Iraq, Baiji