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: Pathology
[{'content': 'Simplex type of Epidermolysis Bullosa involves mutations in \nSelect and explain. \nA. Keratin 5, B. Lamina lucida, C. Type vII collagen, D. Dystrophin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Simplex type of Epidermolysis Bullosa involves mutations in in keratin 5 or 14.', 'role': 'assistant'}]