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: Skin
[{'content': 'All are true about linear IgA disease except \nSelect and explain. \nA. Subepidermal involvement, B. Severe itching, C. Granular deposition of IgA, D. All', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Granular deposition of IgALinear IgA disease presents with severely pruritic, subepidermal blistersQ. On DIM, linear (not granular) deposits of IgAQ is seen along EBM. It is a separate & distinct entity different from dermatitis herpetiformis and so gluten free diet is not requiredQ.', 'role': 'assistant'}]