43595
At their March meeting in Waco , Tex. , President Bush , Prime Minister Paul Martin of Canada and President Vicente Fox of Mexico pledged to enhance water quality '' by working bilaterally , trilaterally and through existing regional bodies . ''
 person of company: Vicente Fox, Mexico; nationality: Paul Martin, Canada
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:  Vicente Fox, Mexico; Paul Martin, Canada 
Answer:
 person of company: Vicente Fox, Mexico; nationality: Paul Martin, Canada