Expired food at Shoprite

My name is Themba Zimtemi Number *** Yesterday at Shoprite Bapong I bought three plates of paap, spinach and cabbage for the seven of us at work we also had braai meat All seven of us ate the braai meat and pap but only six of us ate the spinach and cabbage and all of us we had a running stomach the whole night excluding the one who ate the meat and pap only and three of us is blaming the spinach of even tasting and smelling off I called the store this morning and spoke to Cina she then said to me "the staff that cooks at the mite have warmed the previous day's food and served it to customers" The food at the store must be inspected and the store needs to get us to a doctor cause it's not getting any better and we having a bad Christmas I still have the till slip