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: Ans. is 'b' i.e., Presence of pain in abdomen . Bacillus cereus causes two types of food poisoning :- i) Emetic type :- characterised by nausea, vomiting and diarrhoea ii) Diarrhoea' type :- characterised by abdominal cramps and diarrhoea.", 'role': 'assistant'}]