7359
Conferences : IAF Australia Nov 28-30 '07 Adelaide South Australia IAF North America Apr 10-12 '08 Atlanta Georgia  USA  IAF Africa Jul 24-25 '08 Pilanesburg South Africa IAF Asia Aug 27-28 '08 Bangkok Thailand IAF Europe Oct 02-05 '08  Groningen  The Netherlands .
 None
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: 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:
 NA: USA, Groningen