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': 'Auspitz sign is seen in ? \nSelect and explain. \nA. Psoriasis, B. Lichen Planus, C. Vitiligo, D. Contact dermatitis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Psoriasis See explanation- 5 of session- 5 of Skin of All India 2014-15 pattern of this book.", 'role': 'assistant'}]