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We know that if we take a stand -- if we act -- we can end poverty in our lifetimes said UN Secretary-General Ban Ki-moon who was joined by schoolchildren at the UN International School (  UNIS  ) in  New York  on Friday in calling for an end to hunger which currently afflicts 1 billion people worldwide .
 city of headquarters: UNIS, New York
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  UNIS, New York 
Answer:
 city of headquarters: UNIS, New York