This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and PNS, Subject name: ENT
[{'content': 'Which of the following ganglion is associated with lacrimation? \nSelect and explain. \nA. Otic, B. Ciliary, C. Sphenopalatine, D. Gasserian', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Secretomotor fibres for lacrimal gland arise from the facial nerve at geniculate ganglion, travel in greater petrosal nerve and join the sphenopalatine ganglion as vidian nerve. After relay in the ganglion, they are distributed to lacrimal gland.', 'role': 'assistant'}]