Utilize the input text as a context reference, choose the right relationship between MoneyGram and wire transfer from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

On April 17, 2014, MoneyGram International disclosed that its critical partner, Wal-Mart, had introduced a competing money transfer and financial services provider in all of its current wire transfer locations across the United States.

Answer: industry