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: Psychiatry
[{'content': '45 years old Chandu is always preoccupied with feeling of illness. The diagnosis is \nSelect and explain. \nA. Somatoform disorder, B. Hypochondriasis, C. Munchausen syndrome, D. Dissociative disorder', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Hypochondriasis', 'role': 'assistant'}]