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': "Lateral medullary syndrome (Wallenberg syndrome) is characterized by all, Except - \nSelect and explain. \nA. Giddiness, B. Dysphagia, C. Crossed hemianaesthesia, D. Horner's syndrome is rare", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]