Utilize the input text as a context reference, choose the right relationship between CF Industries and fertilizer 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.

CF Industries —The fertilizer maker will buy the European, North American, and global distribution businesses of Netherlands-based OCI.

Answer: product_or_material_produced