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I understand the requirement for safety said Dale Moss the chief executive of  OpenSkies  the Paris-based all-business-class subsidiary of  British Airways  .
 subsidiaries: OpenSkies, British Airways
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  OpenSkies, British Airways 
Answer:
 subsidiaries: OpenSkies, British Airways