47105
A man identified as an American citizen was found stabbed to death on Sunday in Nuevo Laredo , a city of 300,000 along Mexico 's border with the United States that has become the principal battlefield for Mexico 's most powerful drug trafficking organizations .
 location contains: Mexico, Nuevo Laredo; location contains: Mexico, Nuevo Laredo
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:  Mexico, Nuevo Laredo; Mexico, Nuevo Laredo 
Answer:
 location contains: Mexico, Nuevo Laredo; location contains: Mexico, Nuevo Laredo