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': 'Bilateral facial palsy is seen in- \nSelect and explain. \nA. Myaesthania gravis, B. Guillain Bane, C. Muscular dystrophy, D. Duchnene muscular dystrophy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]