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': 'Which of the following conditions causes alopecia without scarring – \nSelect and explain. \nA. DT F, B. Herpes Zoster, C. Alopecia areata, D. Lichen planus pilaris', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Alopecia areata is non-cicatricial alopecia.', 'role': 'assistant'}]