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: Dental
[{'content': 'Target or Iris lesion is seen in – \nSelect and explain. \nA. Urticaria, B. Erythema multiforme, C. Scabies, D. Lichen planus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Target (Iris) lesion is characteristic of erythema multiforme.', 'role': 'assistant'}]