Utilize the input text as a context reference, choose the right relationship between Lafarge and cement 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.

The announcement on Wednesday came about two months after cement companies Holcim (Other OTC: HCMLF - news ) and Lafarge (Paris: FR0000120537 - news ) , which have agreed to merge, said CRH would buy some of their assets for 6.5 billion euros ($7.12 billion).

Answer: product_or_material_produced