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: Ophthalmology
[{'content': 'A 3 month old infant was brought with complaints of profuse lacrimation. On pressure pus exudes from the puncta. The best line of management is: \nSelect and explain. \nA. Dacryocystorhinostomy, B. Syringing, C. Massaging of sac with antibiotics, D. Syringing and probing', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. Syringing and probing', 'role': 'assistant'}]