1437
At the heart of the remaining investigation into Mr. Rove are the circumstances surrounding a July 11 , 2003 , telephone conversation between Mr. Rove and Mr. Cooper , who turned the interview to questions about a 2002 trip to Africa by Joseph C. Wilson IV , a former ambassador , who was sent by the C.I.A. to investigate claims that Iraq had sought to be buy uranium ore from Niger .
 location contains: Africa, Niger
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: Africa, Niger