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The  Union of Christmas Island Workers  ( UCIW ) is a trade union in  Christmas Island  the non self-governing territory of Australia .
 city of headquarters: Union of Christmas Island Workers, Christmas Island
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:  Union of Christmas Island Workers, Christmas Island 
Answer:
 city of headquarters: Union of Christmas Island Workers, Christmas Island