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Goussault , who logged more than 120,000 miles on airplanes last year , has more plans yet : he hopes to take sous vide to the Niger River basin between Mali and Niger , where farmers from surrounding regions take their cattle .
 location contains: Niger, Niger River; location contains: Mali, Niger River
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:  Niger, Niger River; Mali, Niger River 
Answer:
 location contains: Niger, Niger River; location contains: Mali, Niger River