20174
 Former Soviet boxers , notably the 7-foot , 320-pound Nikolai Valuev and Ukraine 's Wladimir Klitschko , who won the International Boxing Federation title , temporarily held the four versions of the heavyweight championship . 
 nationality: Wladimir Klitschko, Ukraine
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
 Entity Pairs:  Wladimir Klitschko, Ukraine 
Answer:
 nationality: Wladimir Klitschko, Ukraine