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 cutaneous eruption in SLE is: \nSelect and explain. \nA. Palmar erythema, B. Discoid lesions, C. Erythema of light exposed area, D. Diffuse morbiliform erythema', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Erythema of light exposed area', 'role': 'assistant'}]