Utilize the input text as a context reference, choose the right relationship between grocery and Walmart 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.

And what we experienced was pure-play e-commerce omnichannel as well as people that were open, such as Walmart and Target, that sell groceries, or Costco, the brick-and-mortar guys that were open, and grocery as a whole channel more than picked up from that and the demand from our products, as I mentioned.

Answer: operator