    Sentence SOC argued that Lexmark  was trying to shield itself from competition by  installing a chip on ite toner cartridges to make it  difficult for third=party manufacturers to make  generic cartridges    Sentence 2: The company also argued that Lexmark  was ltying to equash competition by installing a  microchip on ite toner cartridges to make it difficult  for third-parly manufacturers to make generic  cattidges