SAA Voyager MasterCard Platinum credit cardholders Annual credit card fee: USD 28 Voyager Earn Rate– 1 SAA Voyager Mile for USD 1.50 spend Access to SAA owned Premium departure lounges Double Miles on eligible spend for the first month (only provided once per new account) 15,000 Bonus Miles on 1st SAA ticket purchase (only provided once per new account) Premium check-in 1 Additional piece of luggage when travelling in business class at 32kgs when travelling on SAA-operated flights 1 Additional piece for economy class at 23kgs when travelling on SAA-operated flights 10% discount on excess luggage rates when paying with the SAA Voyager MasterCard Credit Cards for all SAA-operated flight sectors per ticket, originating from and to Accra
What is the relationship between 'MasterCard' and 'credit card' in the context of the input sentence.
Options: location of formation, business division, developer, product/material produced