Utilize the input text as a context reference, choose the right relationship between Albert Heijn and Ahold 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.

She then joined retailer Ahold to run its customer business insights department, and in 2012 was poached by the Netherlands’ largest retailer Albert Heijn to create its loyalty department.

Answer: owned_by