Complex sentence: Eclipse chose to sell smoked fish, marmalade and tea whilst Stealth opted for sausages, chutney, and cheap processed cheese bought at the last minute from Makro, a cash and carry.
Split into simpler sentences: Eclipse chose to sell smoked fish, marmalade and tea. Meanwhile, Stealth opted for sausages, chutney, and cheap processed cheese bought at the last minute from a cash and carry.