Utilize the input text as a context reference, choose the right relationship between 'MasterCard' and 'purchase' from the options.
Options: subsidiary, currency, headquarters location, director/manager

And while you might be tempted to purchase a generic gift card from a payment network like Visa, MasterCard or American Express, be aware that these cards can carry a fee that will reduce or eliminate any bonus cash back you were hoping to earn.
headquarters location