This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacterial infections, Subject name: Dental
[{'content': 'Thalidomide is used in the treatment of \nSelect and explain. \nA. Type 1 lepra reaction, B. Type 2 lepra reaction, C. Both, D. None', 'role': 'user'}, {'content': "Answer: B \nExplanation: Leprosy (Hansen's Disease) Ref:- Sima Jain; pg num:-222", 'role': 'assistant'}]