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 regarding Psoriasis except: \nSelect and explain. \nA. Ahritis in 5%, B. Abscess is seen, C. Head, neck and face are not involved, D. No scaly, red lesions are seen in inframammary and natal area.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Head, neck & face are not involved', 'role': 'assistant'}]