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: Pharmacology
[{'content': 'Which of the following prostaglandin analogues is used in glaucoma ? \nSelect and explain. \nA. Misoprostol, B. Latanoprost, C. Enprostil, D. Rioprostil', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]