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With its long-neglected , battered roads , Nigeria 's economy is highly dependent on air travel to move people between Abuja , the political capital , Lagos , the commercial capital , and Port Harcourt , the center of the oil industry that makes Nigeria the second-largest economy in sub-Saharan Africa .
 location contains: Nigeria, Lagos; country of capital: Nigeria, Abuja; location contains: Nigeria, Abuja; location contains: Nigeria, Port Harcourt; country of capital: Nigeria, Abuja; location contains: Nigeria, Port Harcourt; location contains: Nigeria, Lagos; location contains: Nigeria, Abuja
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, Lagos; Nigeria, Abuja; Nigeria, Abuja; Nigeria, Port Harcourt; Nigeria, Abuja; Nigeria, Port Harcourt; Nigeria, Lagos; Nigeria, Abuja 
Answer:
 location contains: Nigeria, Lagos; country of capital: Nigeria, Abuja; location contains: Nigeria, Abuja; location contains: Nigeria, Port Harcourt; country of capital: Nigeria, Abuja; location contains: Nigeria, Port Harcourt; location contains: Nigeria, Lagos; location contains: Nigeria, Abuja