This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Somatoform Disorders, Subject name: Psychiatry
[{'content': 'All are seen in hysterical somatisation except: \nSelect and explain. \nA. Positive physical signs, B. Hemiplegia, C. Blindness, D. Fugue', 'role': 'user'}, {'content': "Answer: A \nExplanation: A ref: Ahuja, 4th/e p. 91-93 and 5th/e p. 102-103 and Kaplan's, 8th/ep. 1510", 'role': 'assistant'}]