21042
 After his 7-5 , 7-6 (2) , 6-2 victory over 156th-ranked Diego Hartfield of Argentina , Federer said , '' I 'm happy I did n't lose , because otherwise I 'd be very angry right now . '' 
 nationality: Diego Hartfield, Argentina
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: Diego Hartfield, Argentina