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: ENT
[{'content': 'Wagner and Grossman theory is related to - \nSelect and explain. \nA. Palatal palsy, B. Vocal cord palsy, C. Facial palsy, D. Hypoglossal palsy', 'role': 'user'}, {'content': "Answer: B \nExplanation: Semon's law and Wagner & Grossmann hypothesis are related to RLN paralysis.", 'role': 'assistant'}]