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': '"Dacryocystitis" is interruption in drainage of \nSelect and explain. \nA. Submandibular gland, B. Parotid gland, C. Lacrimal gland, D. Sublingual gland', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]