Utilize the input text as a context reference, choose the right relationship between Jeff Bezos 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 news marked another effort by Amazon founder Jeff Bezos to leverage its large customer base with the Washington Post, which he purchased with $250 million from his personal fortune in 2013.

Answer: owner_of