27162
In one of the worst disasters , in 1995 , a mine in Guyana insured by the bank spilled more than 790,000 gallons of cyanide-laced mine waste into a tributary of the Essequibo River , the country 's main water source .
 Guyana, Essequibo River
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Guyana, Essequibo River