Utilize the input text as a context reference, choose the right relationship between 'Holcim' and 'cement' from the options.
Options: location of formation, subsidiary, product/material produced, chief executive officer

The move, part of plans to cut debt, comes after the July merger of Lafarge (EUREX: 504482.EX - news ) and Holcim to create the world's largest cement company.
product/material produced