4627
Air New Zealand  also purchased a stake in  Air Nelson  ( and Eagle Airway ) to secure the airline's support when deregulation saw the arrival of Ansett Airways .
 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