This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'A patient consumed a well cooked meat sandwich in a party, now complains of diarrhea, nausea, vomiting and abdominal cramps 2 hours later. What could be the causative organism responsible: \nSelect and explain. \nA. Clostridium, B. Salmonella typhi, C. Staphylococcus aureus, D. Campylobacter jejuni', 'role': 'user'}, {'content': 'Answer: C \nExplanation: History of eating meat sandwich with complains of diarrhea, nausea, vomiting and abdominal cramps after 2 hours clearly indicate Staphylococcal food poisoning.', 'role': 'assistant'}]