1709
The Croatia national under-21 football team also known as Croatia under-21 ( s ) or Croatia U21 ( s ) is a youth association football national team which represents  Croatia  at this age level and is a feeder team for the  Croatia national football team  .
 Croatia, Croatia national football team
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 Croatia, Croatia national football team