6857
Arlington County in Virginia , just outside Washington , provides a clear illustration for how a first suburb can regenerate itself and remain healthy and vital , yet preserve its suburban style .
 location contains: Virginia, Arlington County
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:  Virginia, Arlington County 
Answer:
 location contains: Virginia, Arlington County