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Trinidad and Tobago is joined by Angola , Togo , Ivory Coast and Ghana , all from Africa , and three European squads competing since being spun off from former amalgamations -- the Czech Republic , Ukraine and the already dissolving artificial nation of Serbia and Montenegro .
 location contains: Africa, Angola; location contains: Africa, Togo; location contains: Africa, Ghana
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:  Africa, Angola; Africa, Togo; Africa, Ghana 
Answer:
 location contains: Africa, Angola; location contains: Africa, Togo; location contains: Africa, Ghana