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 lady gets pregnant even if she was on contraceptive pills, she is suspected to consume \nSelect and explain. \nA. Rifampicin, B. Ciprofloxacin, C. Streptomycin, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: This table summarises important points for neet\n5. Essential medicines are the drugs that cater to priority health-cam needs of a population. Most of these are formulated as single compounds.\n6. Important drugs causing hemolysis in a patient with G-6-PD deficiency are primaquine, sulfonamides, dapsone and methylene blue.\n7.', 'role': 'assistant'}]