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: Ophthalmology
[{'content': 'Ptosis with lid lag is seen in: \nSelect and explain. \nA. Traumatic ptosis, B. Myogenic ptosis, C. Synkinesis, D. Congenital ptosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. Congenital ptosis', 'role': 'assistant'}]