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': 'Non cicatrical alopecia is present in- \nSelect and explain. \nA. Scleroderma, B. Lichen planus, C. Psoriasis, D. Parva virus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C. i.e. Psoriasis', 'role': 'assistant'}]