What is the relationship between Cemex and cement in the context of the input sentence. Choose an answer from: 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.

PARIS, Sept 21 (Reuters) - French waste and water group Suez has opened a waste facility in Rugby, Britain that will provide energy for a Cemex cement plant, Suez said in a statement on Monday.

Answer: product_or_material_produced