23277
That goal , too , has proved elusive , largely because the disease spread from Nigeria to 23 other countries after officials in the northern province of Kano temporarily banned polio immunizations .
 location contains: Nigeria, Kano
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:  Nigeria, Kano 
Answer:
 location contains: Nigeria, Kano