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
Intra epithelial bulla is seen in – 
Select and explain. 
A. Pemphigus, B. Pemphigoid, C. Dermatitis herpetiformis, D. Light eruption
A: Pemphigus
Answer: A: Pemphigus 
Explanation: Pemphigus vulgaris causes intraepidermal bullae.