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': 'Congenital absence of Laminin leads to: \nSelect and explain. \nA. Epidermal bullosa Dystrophica, B. Epidermal Bullosa acquisita, C. Epidermal Bullosa Junctionalis, D. Hailey Hailey disease', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]