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': 'Which of the following is/are caused by trachoma –a) Entropionb) Ectropionc) Pingueculad) Corneal opacitye) Dry eye \nSelect and explain. \nA. acd, B. ade, C. abd, D. ad', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Trachoma can cause entropion (not ectropion), dry eye (xerosis) and corneal opacity.', 'role': 'assistant'}]