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': 'Commonest site of Atopic dermatitis is? \nSelect and explain. \nA. Scalp, B. Elbow, C. Trunk, D. Ante cubital fossa', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Antecubital fossa', 'role': 'assistant'}]