Utilize the input text as a context reference, choose the right relationship between Columbia House and DVD 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.

The Columbia House website says new members have to buy one full-priced DVD and they get a second one for free.

Answer: industry