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: Pathology
[{'content': 'Ram Devi presented with generalized edema sweatingand flushing tachycardia and fever after bee sting. Thisis: \nSelect and explain. \nA. T cell mediated cytotoxicity, B. IgE mediated reaction, C. IgG mediated reaction, D. IgA mediated hypersensitivity reaction', 'role': 'user'}, {'content': 'Answer: B \nExplanation: . IgE mediated reaction', 'role': 'assistant'}]