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: Anatomy
[{'content': 'The preganglionic parasympathetic fibres for otic ganglion commence at: \nSelect and explain. \nA. Superior salivatory nucleus, B. Inferior salivatory nucleus, C. Nucleus of tractus solitarius, D. Lacrimatory nucleus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]