17659
So on Saturday night in Monterrey , Mexico , the tenors Placido Domingo and Jose Carreras were joined by the Mexican singer Alejandro Fernandez and two mariachi bands before an audience of more than 40,000 , which included Vicente Fox , the president of Mexico , and Oscar Berger , the president of Guatemala .
 location contains: Mexico, Monterrey; nationality: Alejandro Fernandez, Mexico; person of company: Vicente Fox, Mexico; nationality: Alejandro Fernandez, Mexico; person of company: Vicente Fox, Mexico; location contains: Mexico, Monterrey
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, Monterrey; nationality: Alejandro Fernandez, Mexico; person of company: Vicente Fox, Mexico; nationality: Alejandro Fernandez, Mexico; person of company: Vicente Fox, Mexico; location contains: Mexico, Monterrey