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: Forensic Medicine
[{'content': 'Symptoms of food poisoning seen within 6 h is commonly due to: NIMHANS 13; FMGE 13 \nSelect and explain. \nA. Bacillus cereus, B. Staphylococcus aureus, C. Shigella, D. Salmonella', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Staphylococcus aureus', 'role': 'assistant'}]