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': 'Pharmacovigilance is used for - \nSelect and explain. \nA. To monitor drug toxicity, B. To monitor unauthorized drug manufacture, C. Monitoring of students, D. Check costs', 'role': 'user'}, {'content': 'Answer: A \nExplanation: To monitor drug toxicity Repeat from May 10 Q no.65', 'role': 'assistant'}]