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': 'An adult presents with oval scaly hypopigmented macules over chest and back. The diagnosis is – \nSelect and explain. \nA. Leprosy, B. Lupus Vulgaris, C. Pityriasis versicolour, D. Lichen Planus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Information in this question are :-\n\n\nAdult patient\nHypopigmented macule\nWith Scales\nOver chest and back', 'role': 'assistant'}]