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Slovak Prime Minister  Robert Fico  pledged to his British counterpart Gordon Brown last year that  Slovakia  would double its troops in Afghanistan to around 500 .
 Robert Fico, Slovakia
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:
 Robert Fico, Slovakia