This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of orbit, Lids and lacrimal apparatus, Subject name: Ophthalmology
[{'content': 'Treatment of dacryocystitis in three months old child - \nSelect and explain. \nA. Daily probing, B. Weekly probing, C. Massaging, D. Syringing', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Massage over the lacrimal sac area and topical antibiotics constitute the main treatment for congenital NLD block. Ref : ak khurana 6th edition pg no393', 'role': 'assistant'}]