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': 'A person with glaucoma should not receive: \nSelect and explain. \nA. Sedatives, B. Vasoconstrictors, C. Antisialogogues, D. Local anaesthetic', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]