What is the relationship between 'Samsung' and 'Electronics' in the context of the input sentence.
Options: chief executive officer, location of formation, product/material produced, employer

2 behind Samsung Electronics Co. in that market, and makes the NAND flash memory used to store data in mobile devices such as smartphones.The company’s stock surged last year on stronger prices of memory chips and signs the market was consolidating to a smaller number of players.
product/material produced