6489
May 2011 :  Air China  and Cathay Pacific have announced the consolidation of their cargo business to the new  Air China Cargo  .
 Air China, Air China Cargo
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:
 Air China, Air China Cargo