Utilize the input text as a context reference, choose the right relationship between 'Samsung' and 'Electronics' from the options.
Options: business division, headquarters location, product/material produced, chief executive officer

* Though it has lately shown signs of a turnaround, Samsung Electronics Co Ltd is once again struggling to impress with its earnings, missing analyst expectations in a preliminary report that suggested its operating profit had fallen for the seventh straight quarter.
product/material produced