4585
ELTR - 13 Eskadra Lotnictwa Transportowego in Poland ) is an airlift squadron of  Polish Air Force  established in 1963 in   Poland .
 city of headquarters: Polish Air Force, 
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: Polish Air Force, 