14651
But as Jeffrey D. Sachs , the Columbia University economist and author of '' The End of Poverty , '' points out in his book , '' well-governed countries in Africa , such as Ghana , Malawi , Mali and Senegal , failed to prosper . ''
 location contains: Africa, Mali; location contains: Africa, Senegal; location contains: Africa, Ghana; location contains: Africa, Malawi
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:  Africa, Mali; Africa, Senegal; Africa, Ghana; Africa, Malawi 
Answer:
 location contains: Africa, Mali; location contains: Africa, Senegal; location contains: Africa, Ghana; location contains: Africa, Malawi