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: Skin
[{'content': 'DOC for a pregnant woman in 2" trimester with pustular psoriasis is \nSelect and explain. \nA. Prednisolone, B. Dapsone, C. Acitretin, D. Methotrexate', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Prednisolone', 'role': 'assistant'}]