4631
There are no longer any direct services to either  Glasgow  or Edinburgh airports after they were withdrawn by  Loganair  due to lack of demand .
 city of headquarters: Glasgow, Loganair
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: Glasgow, Loganair