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': 'A 40 year old male had multiple blisters over the trunk & Extremities. Direct immuno fluoresce studies showed linear IgG deposits along the basement membrane, which of the following is the most likely diagnosis – \nSelect and explain. \nA. Pemphigus vulgaris, B. Bullous pemphigoid, C. Pemphigus foliaceous, D. Dermatitis herpetiformis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: IgG deposits along basement membrane occurs only in bullous pemphigoid, amongst the given options.', 'role': 'assistant'}]