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': '2-month-old girl present with verrucous plaque on the trunk. What is your most probable diagnosis? \nSelect and explain. \nA. Incontinentia pigmentosa, B. Daer disease, C. Congenital naevus, D. Icthyosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Incontinentia pigmenti', 'role': 'assistant'}]