About 90%, 95% of the products grown by the farmers who lease our farms are sold to grocery stores like Kroger, Safeway, Costco Walmart and similar outlets, very little of the produce is being sold to the food service industry including restaurants and institutions like schools.
Take context from the input text and decide on the accurate relationship between 'grocery' and 'Walmart' from the options provided.
Options: industry, legal form, operator, chairperson