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': 'A 6 year old child from Tamil Nadu presents with a solitary nonanaesthetic patch on face, the possible diagnosis is – \nSelect and explain. \nA. Pityriasis alba, B. Indeterminate leprosy, C. Pityriasis versicolor, D. Tinea infection', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]