3661
Air New Zealand  then announced that the  Air Nelson  maintenance facility would also handle fellow subsidiary Mount Cook Airline's fleet of ATR 72-500/600 aircraft .
 subsidiaries: Air New Zealand, Air Nelson
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: Air New Zealand, Air Nelson