Take context from the input text and decide on the accurate relationship between 'Lafarge' and 'cement' from the options provided.
Options: platform, location of formation, product/material produced, owned by

Birla Group on Monday said it was acquiring the cement business of Lafarge India for Rs.5,000 crore through a combination of internal accruals and fresh debt to add another 5.5 million tonnes in annual capacity.
product/material produced