Utilize the input text as a context reference, choose the right relationship between milking and milk 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.

After milking donkeys in his farm in Verda, he puts the milk in deep freezers where it can stay for three months without going bad.
product_or_material_produced