This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cranial Nerve Disorders, Subject name: Medicine
[{'content': 'Lateral medullary syndrome or Wallenberg syndrome involves all EXCEPT: \nSelect and explain. \nA. 5th cranial nerve, B. 9th cranial nerve, C. 10th cranial nerve, D. 12th cranial nerve', 'role': 'user'}, {'content': "Answer: D \nExplanation: ANSWER: (D) 12th cranial nerveREF: Harrison's Internal Medicine 17th ed Chapter 364. Cerebrovascular Diseases, Brainstemdisorders by Peter P Urban, Louis R Caplan page 205-207.See previous 2 questions for explanation and table of Brainstem syndromes", 'role': 'assistant'}]