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: Medicine
[{'content': 'Not a component of thalamic syndrome: March 2011 \nSelect and explain. \nA. Anaesthesia, B. Sexual alterations, C. Motor blockade, D. Memory disturbance', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B: Sexual alterations', 'role': 'assistant'}]