Refer to the input text as context and select the correct relationship between 'Holcim' and 'cement' from the available options.
Options: subsidiary, product/material produced, location of formation, 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