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The  MTA Regional Bus Operations  bus fleet comprises over buses in fixed-route service in New York City under MTA New York City Bus (  New York City Transit  ) ( including Select Bus Service ) and MTA Bus .
 subsidiaries: MTA Regional Bus Operations, New York City Transit
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: MTA Regional Bus Operations, New York City Transit