What is the relationship between 'Lafarge' and 'cement' in the context of the input sentence.
Options: position held, product/material produced, founded by, publisher

The deal, to be executed by Birla Corp and its subsidiaries, calls for the acquisition of Sonadih cement plant in Chhattisgarh, the grinding unit at Jajobera in Jharkhand, as also the Concreto and PSC brands of Lafarge India, the company said in a regulatory filing.
product/material produced