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The protesters want to nationalize Bolivia 's vast natural gas reserves , South America 's second largest ; BP has quintupled its estimate of Bolivia 's proven reserves to 29 trillion cubic feet , worth a whopping $ 250 billion .
 location contains: South America, Bolivia; location contains: South America, Bolivia
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:  South America, Bolivia; South America, Bolivia 
Answer:
 location contains: South America, Bolivia; location contains: South America, Bolivia