530
But the declaration does require the elimination of industrial nations ' tariffs and quotas on almost all exports from the world 's poorest countries and does resolve disputes over cotton and other issues among developing countries that had led to the collapse of talks at the last W.T.O. conference two years ago in Cancun , Mexico .
 location contains: Mexico, Cancun
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: Mexico, Cancun