23447
But in Bolivia , the eradication has come with a high social cost , with displaced coca farmers joining protests that led two presidents to quit in the past 20 months , including Carlos Mesa last week .
 nationality: Carlos Mesa, 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:  Carlos Mesa, Bolivia 
Answer:
 nationality: Carlos Mesa, Bolivia