This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitamins and Minerals, Subject name: Biochemistry
[{'content': 'Sebborhoic Dermatitis is produced by deficiency of: \nSelect and explain. \nA. Vitamin C, B. Vitamin B1, C. Vitamin B2, D. Vitamin A', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Vitamin B2 deficiency: Riboflavinosis is characterized by following clinical manifestations: Corneal vascularization - earliest sign of deficiency. Glossitis - inflammation of tongue (magenta tongue- characteristic), Cheilosis - redness and shiny appearance of lips. Angular stomatitis- lesions at mucocutaneous junction at corners of mouth, leading to painful fissures. Seborrhoic dermatitis - rough scaly skin because of desquamation.', 'role': 'assistant'}]