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': 'Which of the following drugs is not recommended for the treatment of Multiple Sclerosis: \nSelect and explain. \nA. Interferon p-1 a, B. Interferon p-lb, C. Glatiramer Acetate, D. Mycophenolate', 'role': 'user'}, {'content': "Answer: B \nExplanation: Answer is B (Medial Medullary Syndrome): Horner's syndrome is associated with Lateral Medullary Syndrome or Wallenberg Syndrome and not with Medial Medullary Syndrome.", 'role': 'assistant'}]