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: Unknown
[{'content': 'The following drug is probably not safe in pregnancy- \nSelect and explain. \nA. INH, B. Rifampicin, C. Ethambutol, D. Streptomycin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans: D', 'role': 'assistant'}]