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': 'Which of Immunoglobulins is associated with allergic disorders ? \nSelect and explain. \nA. IgG, B. IgM, C. IgA, D. IgE', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., IgE", 'role': 'assistant'}]