6433
We want to become the biggest city in Vietnam and be the center of Asean , '' the grouping of 12 Southeast Asian nations , he said , '' and be the center of Asia and the center of the world as well . ''
 location contains: Asia, Vietnam
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:  Asia, Vietnam 
Answer:
 location contains: Asia, Vietnam