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': '7 year old boy chandu presents with reccurent, scaly, hypopigmented patch on face, diagnosis is – \nSelect and explain. \nA. Vitiligo, B. Indeterminate leprosy, C. pityriasis alba, D. Pityriasis rosea', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Once again a\xa0child\xa0with\xa0scaly\xa0hypopigmented patch over\xa0face\xa0→\xa0Pityriasis alba.', 'role': 'assistant'}]