This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Dental
[{'content': 'Woods lamp used in diagnosis of \nSelect and explain. \nA. Pityriasis versicolor, B. Vitiligo, C. Porphyria, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Pityriasis versicolor- golden yellow fluorescence tinea capitis grey patch type - greenish yellow fluorescnece porphyria- reddish fluorescence of urine and teeth erythrasma - coral red fluorescence pseudomonas - greenish fluorescence iadvl textbook of dermatology page 94', 'role': 'assistant'}]