This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blistering disorders, Subject name: Dental
[{'content': '"Target lesions" are characteristically seen in? \nSelect and explain. \nA. Pemphigus vulgaris, B. Psoriasis, C. Uicaria pigmentosa, D. Erythema multiforme', 'role': 'user'}, {'content': "Answer: D \nExplanation: Iris or target lesions = Erythema multiformie Bulla spread sign and Nikolsky's sign = Pemphigus vulgaris. Auspitz sign = Plaque Psoriasis. Darrier's sign = Uicaria pigmentosa. White dermographism = Atopic dermatitis. Dimple sign = Dermatofibroma Target lesions - Central erythema surrounded by area of clearing and another rim of erythema", 'role': 'assistant'}]