50123
As it has done in Cuba and the Caribbean , Venezuela is supplying petroleum products at a discount , and Mr. Chavez has promised that a gas pipeline he wants to build from Caracas to Buenos Aires will pass through here .
 location contains: Venezuela, Caracas; country of capital: Venezuela, Caracas
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:  Venezuela, Caracas; Venezuela, Caracas 
Answer:
 location contains: Venezuela, Caracas; country of capital: Venezuela, Caracas