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: Pediatrics
[{'content': "True about Down's syndrome - \nSelect and explain. \nA. Hypeonia, B. Simian crease, C. Lymphedema, D. All", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Simian crease Note - Upward sloping palpebral fissure is known as mangoloid slant.", 'role': 'assistant'}]