51822
Chepkemei took the lead , trailed closely by Derartu Tulu of Ethiopia and Salina Kosgei of Kenya .
 nationality: Derartu Tulu, Ethiopia; nationality: Salina Kosgei, Kenya
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:  Derartu Tulu, Ethiopia; Salina Kosgei, Kenya 
Answer:
 nationality: Derartu Tulu, Ethiopia; nationality: Salina Kosgei, Kenya