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
[{'content': 'All of the following signs are seen in Dermatomyositis except \nSelect and explain. \nA. Heliotrope sign, B. Gottron sign, C. Dimple sign, D. Shawl sign', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Dimple sign is seen in Dermatofibroma\nDermatomyositis is characterized:\n\nGottron sign: violaceous eruption an metacarpal or interphalangeal joints.\nHeliotroperash: Pink to violaceous erythema over periorbitalarea.', 'role': 'assistant'}]