349
 Top-seeded Roger Federer 's march through the draw looked as if it might take a slight detour when he fell behind , 1-4 , in the second-set tie breaker against his boyhood doubles partner , Olivier Rochus of Belgium . 
 nationality: Olivier Rochus, Belgium
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 nationality: Olivier Rochus, Belgium