What is the relationship between 'Mastercard' and 'Credit card' in the context of the input sentence.
Options: business division, product/material produced, manufacturer, publisher

Credit card companies in the United States are pushing businesses to follow suit, and start accepting the microchips through a liability shift on Oct. 1, when American Express , Discover , Maestro, Mastercard and Visa will relinquish their liability for EMV card-present fraud to any businesses not accepting EMV.
product/material produced