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': 'APGAR score - include all except ? \nSelect and explain. \nA. Hea rate, B. Respiratory rate, C. Muscle tone, D. Color', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Respiratory rate", 'role': 'assistant'}]