Utilize the input text as a context reference, choose the right relationship between Amazon Prime and Amazon 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 Amazon Prime Day sale will start on July 15, 2015 at Midnight PT, according to a press release by Amazon .

Answer: owned_by