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Tranz Metro  part of  KiwiRail  is the operator of Metlink suburban trains owned by the Greater Wellington Regional Council in the Wellington Region of New Zealand .
 subsidiaries: Tranz Metro, KiwiRail
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:
 subsidiaries: Tranz Metro, KiwiRail