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The United States plans to join China and India in an Asian-Pacific climate agreement intended to replace the Kyoto pact as a method to control greenhouse emissions , an official attending the annual conference of Asian nations in Vientiane , Laos , said Wednesday .
 country of capital: Laos, Vientiane; location contains: Laos, Vientiane
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:  Laos, Vientiane; Laos, Vientiane 
Answer:
 country of capital: Laos, Vientiane; location contains: Laos, Vientiane