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: Skin
[{'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: C i.e. Pityriasis versicolor', 'role': 'assistant'}]