NEW YORK (Reuters) - A U.S. appeals court on Monday weighed whether to uphold the approval of an estimated $5.7 billion antitrust settlement by MasterCard Inc (MA.N) and Visa Inc (V.N) with merchants over credit card fees despite the objection of several major retailers.
Take context from the input text and decide on the accurate relationship between 'MasterCard' and 'credit card' from the options provided.
Options: product/material produced, founded by, position held, industry