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Last year at the Athens Olympics , the margin was closer to an inch as he surprised the field by taking the gold medal by a hundredth of a second over Francis Obikwelu of Portugal , who was fourth in 10.07 seconds Sunday .
 nationality: Francis Obikwelu, Portugal
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:  Francis Obikwelu, Portugal 
Answer:
 nationality: Francis Obikwelu, Portugal