In the context of the input sentence, determine the relationship between 'Lafarge' and 'cement'.
Options: product/material produced, founded by, position held, 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