1371
It had been criticized that the color scheme blended with the darkness during nighttime operations.Ask the pilot Salon.com In 1997  United  co-founded the  Star Alliance  with Air Canada Lufthansa Scandinavian Airlines and Thai Airways .
 subsidiaries: United, Star Alliance
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: United, Star Alliance