14182
The transfer of heavy maintenance for Mount Cook Airline's ATR 72-500 and 600 fleet from Christchurch to  Air Nelson  's new facilities at  Nelson  Airport has been seen as a prelude to this policy .
 city of headquarters: Air Nelson, 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:
 city of headquarters: Air Nelson, Nelson