Analyze the relationship between 'MasterCard' and 'credit card' within the context of the input sentence.
Options: member of, currency, product/material produced, director/manager

When a consumer pays for a sweater at a department store with a credit card, three parties usually get involved: money moves from the bank that issues the consumer's credit card through a network like Visa or MasterCard to the bank that processes transactions for the retailer.
product/material produced