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': 'Characteristic of Bacillus cereus food poisoning is- \nSelect and explain. \nA. Presence of fever, B. Presence of pain in abdomen, C. Absence of vomiting, D. Absence of diarrhoea', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Fever is not a consistent feature of B. cereus food poisoning.\nAbdominal cramps may be seen in both emetic and diarrheal type of B. cereus food poisoning.\n\nRef: Apurba Sastry’s Essentials of Medical Microbiology 1/e p255, Ananthanarayan 9/e p249', 'role': 'assistant'}]