is cutting prices for a group of its credit card customers and getting Visa Inc (Xetra: A0NC7B - news ) to shoulder at least some of the burden of the lost revenue, underscoring how the largest U.S (Other OTC: UBGXF - news ) .
Analyze the relationship between 'Visa Inc' and 'credit card' within the context of the input sentence.
Options: legal form, chief executive officer, employer, product/material produced