10000
Hawaii and Nagoya routes were scrapped and America West service to local markets was contracted to  Mesa Airlines  which began conducting operations as  America West Express  .
 Mesa Airlines, America West Express
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Mesa Airlines, America West Express