Utilize the input text as a context reference, choose the right relationship between Ambev and beer 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.

In Brazil, the region’s biggest beer market, AB InBev’s Ambev unit has a two-thirds market share.

Answer: product_or_material_produced