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By acceding to Venezuela 's petition to join -- a political decision spearheaded by the left-leaning presidents of Brazil and Argentina that the smaller Uruguay has accepted and Paraguay is expected to back -- Mercosur members say they are inviting a nation that is South America 's biggest oil producer and third-biggest economy to join in fueling a sluggish , long-pursued effort to integrate the region 's economies .
 location contains: South America, Argentina; location contains: South America, Uruguay; location contains: South America, Paraguay; location contains: South America, Venezuela; location contains: South America, Brazil
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 location contains: South America, Argentina; location contains: South America, Uruguay; location contains: South America, Paraguay; location contains: South America, Venezuela; location contains: South America, Brazil