20594
The battalion , part of the Fourth Infantry Division , has about 1,000 soldiers and first came to Iraq in 2003 as part of the invasion force before rolling north of Baghdad for counterinsurgency patrols that continued through early 2004 .
 location contains: Iraq, Baghdad; country of 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: 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} 
Answer:
 location contains: Iraq, Baghdad; country of capital: Iraq, Baghdad