1978
Today 's maps show that coast as part of Chile , thanks to the 1879 conflict known as the War of the Pacific , or the Saltpeter War , which helped cement Chile as a regional power and , some here say , put Bolivia on the path to becoming South America 's poorest nation .
 location contains: South America, Chile; location contains: South America, Chile; location contains: South America, Bolivia
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, Chile; location contains: South America, Chile; location contains: South America, Bolivia